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Seismology

Index Seismology

Seismology (from Ancient Greek σεισμός (seismós) meaning "earthquake" and -λογία (-logía) meaning "study of") is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies. [1]

143 relations: Accelerometer, Adam Dziewonski, American Association for the Advancement of Science, American Geophysical Union, Anaximenes of Miletus, Ancient Greek, Andrija Mohorovičić, Aristotle, Asteroseismology, Athanasius Kircher, Beno Gutenberg, Boris Borisovich Golitsyn, Brian Tucker, Bruce Bolt, Cambridge University Press, Charles Francis Richter, Charles Scribner's Sons, Chicxulub crater, Civil engineering, Comparison of free geophysics software, Compression (geology), Convection cell, Core–mantle boundary, Cretaceous–Paleogene boundary, Cretaceous–Paleogene extinction event, Cryoseism, Cryosphere, Dinosaur, Don L. Anderson, Earth, Earth science, Earthquake, Earthquake engineering, Earthquake environmental effects, Earthquake prediction, Elastic-rebound theory, Electromagnetic radiation, Emil Wiechert, Engineering geology, Exploration geophysics, Explosion, Fault (geology), Forensic seismology, Frank Press, Fusakichi Omori, Geology, Giuseppe Mercalli, Grigory Gamburtsev, Han dynasty, Harmonic tremor, ..., Harold Jeffreys, Harry Fielding Reid, Helioseismology, Hiroo Kanamori, Hydrocarbon exploration, Impact crater, Indictment, Induced polarization, Inge Lehmann, IRIS Consortium, Isoseismal map, John Bevis, John Michell, John Milne, John Vidale, John Winthrop (educator), Jon Claerbout, Joule, Keiiti Aki, Kerry Sieh, Large low-shear-velocity provinces, Leon Knopoff, Lianxing Wen, Linear elasticity, Linear seismic inversion, Longitudinal wave, Love wave, Lucy Jones, Lunar seismology, Magnetotellurics, Manslaughter, Martin Lister, Maurice Ewing, McGraw-Hill Education, Meteoroid, Microseism, Nature (journal), Nicolas Lemery, Normal mode, Nuclear weapons testing, Ocean-bottom seismometer, Outer core, Oxford University Press, P-wave, Paleoseismology, Paul G. Richards, Paul Silver, Petroleum, Plate tectonics, Quake (natural phenomenon), RadExPro seismic software, Rarefaction, Richard Dixon Oldham, Robert Mallet, Rock (geology), S-wave, Salt dome, Science (journal), Sebastião José de Carvalho e Melo, 1st Marquis of Pombal, Seismic analysis, Seismic hazard, Seismic interferometry, Seismic loading, Seismic migration, Seismic noise, Seismic source, Seismic tomography, Seismite, Seismo-electromagnetics, Seismogram, Seismological Society of America, Seismometer, Seismotectonics, Sekiya Seikei, Shearing (physics), Structure of the Earth, Susan Hough, Tectonics, Thales of Miletus, Transverse wave, Tsunami, VAN method, Vladimir Keilis-Borok, Wiley-Blackwell, Zhang Heng, 1755 Lisbon earthquake, 1857 Basilicata earthquake, 1906 San Francisco earthquake, 1960 Valdivia earthquake, 1964 Alaska earthquake, 2004 Indian Ocean earthquake and tsunami, 2009 L'Aquila earthquake, 2011 Tōhoku earthquake and tsunami. Expand index (93 more) »

Accelerometer

An accelerometer is a device that measures proper acceleration.

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Adam Dziewonski

Adam Marian Dziewoński (November 15, 1936 – March 1, 2016) was a Polish-American geophysicist who made seminal contributions to the determination of the large-scale structure of the Earth's interior and the nature of earthquakes using seismological methods.

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American Association for the Advancement of Science

The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated goals of promoting cooperation among scientists, defending scientific freedom, encouraging scientific responsibility, and supporting scientific education and science outreach for the betterment of all humanity.

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American Geophysical Union

The American Geophysical Union (AGU) is a 501(c)(3) nonprofit organization of geophysicists, consisting of over 62,000 members from 144 countries.

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Anaximenes of Miletus

Anaximenes of Miletus (Ἀναξιμένης ὁ Μιλήσιος; c. 585 – c. 528 BC) was an Ancient Greek Pre-Socratic philosopher active in the latter half of the 6th century BC.

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Ancient Greek

The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.

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Andrija Mohorovičić

Andrija Mohorovičić (23 January 1857 – 18 December 1936) was a Croatian meteorologist and seismologist.

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Aristotle

Aristotle (Ἀριστοτέλης Aristotélēs,; 384–322 BC) was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidiki, in the north of Classical Greece.

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Asteroseismology

Asteroseismology or astroseismology is the study of oscillations in stars.

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Athanasius Kircher

Athanasius Kircher, S.J. (sometimes erroneously spelled Kirchner; Athanasius Kircherus, 2 May 1602 – 28 November 1680) was a German Jesuit scholar and polymath who published around 40 major works, most notably in the fields of comparative religion, geology, and medicine.

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Beno Gutenberg

Beno Gutenberg (June 4, 1889 – January 25, 1960) was a German-American seismologist who made several important contributions to the science.

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Boris Borisovich Golitsyn

Prince Boris Borisovich Golitsyn (in Saint Petersburg – near Petrograd) was a prominent Russian physicist who invented the first electromagnetic seismograph in 1906.

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Brian Tucker

Brian E. Tucker is a seismologist specializing in disaster prevention.

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Bruce Bolt

Bruce Alan Bolt (February 15, 1930 – July 21, 2005) was an Australian-born American seismologist and a professor of earth and planetary science at the University of California, Berkeley.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Charles Francis Richter

Charles Francis Richter; April 26, 1900 – September 30, 1985) was an American seismologist and physicist. Richter is most famous as the creator of the Richter magnitude scale, which, until the development of the moment magnitude scale in 1979, quantified the size of earthquakes. Inspired by Kiyoo Wadati’s 1928 paper on shallow and deep earthquakes, Richter first used the scale in 1935 after developing it in collaboration with Beno Gutenberg; both worked at the California Institute of Technology. The quote “logarithmic plots are a device of the devil” is attributed to Richter.

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Charles Scribner's Sons

Charles Scribner's Sons, or simply Scribner's or Scribner, is an American publisher based in New York City, known for publishing American authors including Ernest Hemingway, F. Scott Fitzgerald, Kurt Vonnegut, Marjorie Kinnan Rawlings, Stephen King, Robert A. Heinlein, Thomas Wolfe, George Santayana, John Clellon Holmes, Don DeLillo, and Edith Wharton.

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Chicxulub crater

The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico.

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Civil engineering

Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works such as roads, bridges, canals, dams, airports, sewerage systems, pipelines, and railways.

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Comparison of free geophysics software

This is a list of free and open-source software for geophysical data processing and interpretation.

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Compression (geology)

In geology, the term compression refers to a set of stress directed toward the center of a rock mass.

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Convection cell

In the field of fluid dynamics, a convection cell is the phenomenon that occurs when density differences exist within a body of liquid or gas.

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Core–mantle boundary

The core–mantle boundary (CMB in the parlance of solid earth geophysicists) of the Earth lies between the planet's silicate mantle and its liquid iron-nickel outer core.

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Cretaceous–Paleogene boundary

The Cretaceous–Paleogene (K–Pg) boundary, formerly known as the Cretaceous–Tertiary (K-T) boundary, is a geological signature, usually a thin band of rock.

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Cretaceous–Paleogene extinction event

The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of some three-quarters of the plant and animal species on Earth, approximately 66 million years ago.

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Cryoseism

A cryoseism, also known as an ice quake or a frost quake, is a seismic event that may be caused by a sudden cracking action in frozen soil or rock saturated with water or ice.

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Cryosphere

The cryosphere (from the Greek κρύος kryos, "cold", "frost" or "ice" and σφαῖρα sphaira, "globe, ball") is those portions of Earth's surface where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps, ice sheets, and frozen ground (which includes permafrost).

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Dinosaur

Dinosaurs are a diverse group of reptiles of the clade Dinosauria.

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Don L. Anderson

Don Lynn Anderson (March 5, 1933 – December 2, 2014) was an American geophysicist who made significant contributions to the understanding of the origin, evolution, structure, and composition of Earth and other planets.

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Earth science

Earth science or geoscience is a widely embraced term for the fields of natural science related to the planet Earth.

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Earthquake

An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth's lithosphere that creates seismic waves.

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Earthquake engineering

Earthquake engineering is an interdisciplinary branch of engineering that designs and analyzes structures, such as buildings and bridges, with earthquakes in mind.

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Earthquake environmental effects

Earthquake environmental effects are the effects caused by an earthquake on the natural environment, including surface faulting, 2012 Emilia, Northern Italy, earthquakes # '''Secondary effects''': mostly this is the intensity of the ground shaking (e.g., landslides, liquefaction, etc.). The importance of a tool to measure earthquake Intensity was already outlined early in the 1990s.Serva, L. (1994). The effects on the ground in the intensity scales, Terra Nova, 6, 414–416. In 2007 the Environmental Seismic Intensity scale (ESI scale) was released, a new seismic intensity scale based only on the characteristics, size and areal distribution of earthquake environmental effects. A huge amount of data about associated with modern, historical and paleoearthquakes worldwide occurred is available on the EEE Catalogue, a infrastructure developed in the framework of the INQUA TERPRO Commission on Paleoseismology and Active Tectonics.

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Earthquake prediction

Earthquake prediction is a branch of the science of seismology concerned with the specification of the time, location, and magnitude of future earthquakes within stated limits, and particularly "the determination of parameters for the next strong earthquake to occur in a region.

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Elastic-rebound theory

In geology, the elastic-rebound theory is an explanation for how energy is released during an earthquake.

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Electromagnetic radiation

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.

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Emil Wiechert

Emil Johann Wiechert (26 December 1861 – 19 March 1928) was a German physicist and geophysicist who made many contributions to both fields, including presenting the first verifiable model of a layered structure of the Earth and being among the first to discover the electron.

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Engineering geology

Engineering geology is the application of the geology to engineering study for the purpose of assuring that the geological factors regarding the location, design, construction, operation and maintenance of engineering works are recognized and accounted for.

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Exploration geophysics

Exploration geophysics is an applied branch of geophysics, which uses physical methods, such as seismic, gravitational, magnetic, electrical and electromagnetic at the surface of the Earth to measure the physical properties of the subsurface, along with the anomalies in those properties.

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Explosion

An explosion is a rapid increase in volume and release of energy in an extreme manner, usually with the generation of high temperatures and the release of gases.

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Fault (geology)

In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock-mass movement.

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Forensic seismology

Forensic seismology is the forensic use of the techniques of seismology to detect and study distant phenomena, particularly explosions, including those of nuclear weapons.

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Frank Press

Frank Press (born December 4, 1924) is an American geophysicist.

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Fusakichi Omori

was a pioneer Japanese seismologist, second chairman of seismology at the Imperial University of Tokyo and president of the Japanese Imperial Earthquake Investigation Committee.

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Geology

Geology (from the Ancient Greek γῆ, gē, i.e. "earth" and -λoγία, -logia, i.e. "study of, discourse") is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time.

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Giuseppe Mercalli

Giuseppe Mercalli (May 21, 1850 – March 19, 1914) was an Italian volcanologist and Catholic priest.

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Grigory Gamburtsev

Grigory Aleksandrovich Gamburtsev (Григо́рий Алекса́ндрович Га́мбурцев) (– June 28, 1955) was a Soviet seismologist and academician from Saint Petersburg, Russia who worked in the area of seismometry and earthquake prediction.

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Han dynasty

The Han dynasty was the second imperial dynasty of China (206 BC–220 AD), preceded by the Qin dynasty (221–206 BC) and succeeded by the Three Kingdoms period (220–280 AD). Spanning over four centuries, the Han period is considered a golden age in Chinese history. To this day, China's majority ethnic group refers to themselves as the "Han Chinese" and the Chinese script is referred to as "Han characters". It was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han, and briefly interrupted by the Xin dynasty (9–23 AD) of the former regent Wang Mang. This interregnum separates the Han dynasty into two periods: the Western Han or Former Han (206 BC–9 AD) and the Eastern Han or Later Han (25–220 AD). The emperor was at the pinnacle of Han society. He presided over the Han government but shared power with both the nobility and appointed ministers who came largely from the scholarly gentry class. The Han Empire was divided into areas directly controlled by the central government using an innovation inherited from the Qin known as commanderies, and a number of semi-autonomous kingdoms. These kingdoms gradually lost all vestiges of their independence, particularly following the Rebellion of the Seven States. From the reign of Emperor Wu (r. 141–87 BC) onward, the Chinese court officially sponsored Confucianism in education and court politics, synthesized with the cosmology of later scholars such as Dong Zhongshu. This policy endured until the fall of the Qing dynasty in 1911 AD. The Han dynasty saw an age of economic prosperity and witnessed a significant growth of the money economy first established during the Zhou dynasty (c. 1050–256 BC). The coinage issued by the central government mint in 119 BC remained the standard coinage of China until the Tang dynasty (618–907 AD). The period saw a number of limited institutional innovations. To finance its military campaigns and the settlement of newly conquered frontier territories, the Han government nationalized the private salt and iron industries in 117 BC, but these government monopolies were repealed during the Eastern Han dynasty. Science and technology during the Han period saw significant advances, including the process of papermaking, the nautical steering ship rudder, the use of negative numbers in mathematics, the raised-relief map, the hydraulic-powered armillary sphere for astronomy, and a seismometer for measuring earthquakes employing an inverted pendulum. The Xiongnu, a nomadic steppe confederation, defeated the Han in 200 BC and forced the Han to submit as a de facto inferior partner, but continued their raids on the Han borders. Emperor Wu launched several military campaigns against them. The ultimate Han victory in these wars eventually forced the Xiongnu to accept vassal status as Han tributaries. These campaigns expanded Han sovereignty into the Tarim Basin of Central Asia, divided the Xiongnu into two separate confederations, and helped establish the vast trade network known as the Silk Road, which reached as far as the Mediterranean world. The territories north of Han's borders were quickly overrun by the nomadic Xianbei confederation. Emperor Wu also launched successful military expeditions in the south, annexing Nanyue in 111 BC and Dian in 109 BC, and in the Korean Peninsula where the Xuantu and Lelang Commanderies were established in 108 BC. After 92 AD, the palace eunuchs increasingly involved themselves in court politics, engaging in violent power struggles between the various consort clans of the empresses and empresses dowager, causing the Han's ultimate downfall. Imperial authority was also seriously challenged by large Daoist religious societies which instigated the Yellow Turban Rebellion and the Five Pecks of Rice Rebellion. Following the death of Emperor Ling (r. 168–189 AD), the palace eunuchs suffered wholesale massacre by military officers, allowing members of the aristocracy and military governors to become warlords and divide the empire. When Cao Pi, King of Wei, usurped the throne from Emperor Xian, the Han dynasty would eventually collapse and ceased to exist.

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Harmonic tremor

A harmonic tremor is a sustained release of seismic and infrasonic energy typically associated with the underground movement of magma, the venting of volcanic gases from magma, or both.

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Harold Jeffreys

Sir Harold Jeffreys, FRS (22 April 1891 – 18 March 1989) was a British mathematician, statistician, geophysicist, and astronomer.

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Harry Fielding Reid

Harry Fielding Reid (May 18, 1859 – June 18, 1944) was an American geophysicist.

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Helioseismology

Helioseismology, a term coined by Douglas Gough, is the study of the structure and dynamics of the Sun through its oscillations.

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Hiroo Kanamori

is a Japanese seismologist who has made fundamental contributions to understanding the physics of earthquakes and the tectonic processes that cause them.

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Hydrocarbon exploration

Hydrocarbon exploration (or oil and gas exploration) is the search by petroleum geologists and geophysicists for hydrocarbon deposits beneath the Earth's surface, such as oil and natural gas.

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Impact crater

An impact crater is an approximately circular depression in the surface of a planet, moon, or other solid body in the Solar System or elsewhere, formed by the hypervelocity impact of a smaller body.

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Indictment

An indictment is a formal accusation that a person has committed a crime.

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Induced polarization

Induced polarization (IP) is a geophysical imaging technique used to identify the electrical chargeability of subsurface materials, such as ore.

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Inge Lehmann

Inge Lehmann (13 May 1888 – 21 February 1993) was a Danish seismologist and geophysicist.

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IRIS Consortium

IRIS (Incorporated Research Institutions for Seismology) is a university research consortium dedicated to exploring the Earth's interior through the collection and distribution of seismographic data.

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Isoseismal map

In seismology, an isoseismal map is used to show lines of equal felt seismic intensity, generally measured on the Modified Mercalli scale.

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John Bevis

John Bevis (10 November 1695 in Salisbury, Wiltshire – 6 November 1771) was an English doctor, electrical researcher and astronomer.

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John Michell

John Michell (25 December 1724 – 29 April 1793) was an English natural philosopher and clergyman who provided pioneering insights in a wide range of scientific fields, including astronomy, geology, optics, and gravitation.

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John Milne

John Milne (30 December 1850 – 31 July 1913) was a British geologist and mining engineer who worked on a horizontal seismograph.

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John Vidale

John Emilio Vidale (March 15, 1959 &ndash) is an American-born seismologist who specializes in examining seismograms to explore features within the Earth.

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John Winthrop (educator)

John Winthrop (December 19, 1714 – May 3, 1779) was the 2nd Hollis Professor of Mathematics and Natural Philosophy in Harvard College.

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Jon Claerbout

Jon F. Claerbout (born 1937) is the Cecil Green Professor Emeritus of Geophysics at Stanford University.

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Joule

The joule (symbol: J) is a derived unit of energy in the International System of Units.

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Keiiti Aki

was a Japanese-American professor of Geophysics at the Massachusetts Institute of Technology (MIT), seismologist, author and mentor.

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Kerry Sieh

Kerry E. Sieh is an American geologist and seismologist.

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Large low-shear-velocity provinces

Large low-shear-velocity provinces, LLSVPs, also called LLVPs or superplumes, are characteristic structures of parts of the lowermost mantle (the region surrounding the outer core) of the Earth.

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Leon Knopoff

Leon Knopoff (July 1, 1925 – January 20, 2011) was a geophysicist and musicologist.

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Lianxing Wen

Lianxing Wen (born April 1968, Shanghang, Fujian) is a Chinese seismologist, geodynamicist and planetary scientist, who has made fundamental contributions to many discoveries in the Earth's interior.

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Linear elasticity

Linear elasticity is the mathematical study of how solid objects deform and become internally stressed due to prescribed loading conditions.

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Linear seismic inversion

Inverse modeling is a mathematical technique where the objective is to determine the physical properties of the subsurface of an earth region that has produced a given seismogram.

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Longitudinal wave

Longitudinal waves are waves in which the displacement of the medium is in the same direction as, or the opposite direction to, the direction of propagation of the wave.

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Love wave

In elastodynamics, Love waves, named after Augustus Edward Hough Love, are horizontally polarized surface waves.

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Lucy Jones

Lucile M. Jones (born 1955) is a seismologist and public voice for earthquake science and earthquake safety in California.

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Lunar seismology

Studies of lunar seismology are used by scientists, engineers and artists for a number of purposes including.

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Magnetotellurics

Magnetotellurics (MT) is an electromagnetic geophysical method for inferring the earth's subsurface electrical conductivity from measurements of natural geomagnetic and geoelectric field variation at the Earth's surface.

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Manslaughter

Manslaughter is a common law legal term for homicide considered by law as less culpable than murder.

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Martin Lister

Martin Lister FRS (12 April 1639 – 2 February 1712) was an English naturalist and physician.

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Maurice Ewing

William Maurice "Doc" Ewing (May 12, 1906 – May 4, 1974) was an American geophysicist and oceanographer.

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McGraw-Hill Education

McGraw-Hill Education (MHE) is a learning science company and one of the "big three" educational publishers that provides customized educational content, software, and services for pre-K through postgraduate education.

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Meteoroid

A meteoroid is a small rocky or metallic body in outer space.

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Microseism

In seismology, a microseism is defined as a faint earth tremor caused by natural phenomena.

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Nature (journal)

Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.

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Nicolas Lemery

Nicolas Lémery (or Lemery as his name appeared in his international publications) (17 November 1645 – 19 June 1715), French chemist, was born at Rouen.

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Normal mode

A normal mode of an oscillating system is a pattern of motion in which all parts of the system move sinusoidally with the same frequency and with a fixed phase relation.

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Nuclear weapons testing

Nuclear weapons tests are experiments carried out to determine the effectiveness, yield, and explosive capability of nuclear weapons.

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Ocean-bottom seismometer

An ocean-bottom seismometer (OBS) is a seismometer that is designed to record the earth motion under oceans and lakes from man-made sources and natural sources.

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Outer core

The outer core of the Earth is a fluid layer about thick and composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle.

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Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.

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P-wave

A P-wave is one of the two main types of elastic body waves, called seismic waves in seismology.

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Paleoseismology

Paleoseismology looks at geologic sediments and rocks, for signs of ancient earthquakes.

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Paul G. Richards

Paul G. Richards (born March 1943) is an English-born, American seismologist who has made fundamental contributions to the theory of seismic wave link propagation and in methods to understand how the recorded shapes of seismic waves are affected by processes of diffraction, attenuation and scattering.

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Paul Silver

Paul Gordon Silver (November 30, 1948 – August 7, 2009) was an American seismologist.

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Petroleum

Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.

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Plate tectonics

Plate tectonics (from the Late Latin tectonicus, from the τεκτονικός "pertaining to building") is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between 3 and 3.5 billion years ago.

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Quake (natural phenomenon)

A quake is the result when the surface of a planet, moon or star begins to shake, usually as the consequence of a sudden release of energy transmitted as seismic waves, and potentially with great violence.

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RadExPro seismic software

RadExPro is a Windows-based seismic processing software system produced by DECO Geophysical Software Company.

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Rarefaction

Rarefaction is the reduction of an item's density, the opposite of compression.

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Richard Dixon Oldham

Richard Dixon Oldham FRS (31 July 1858 – 15 July 1936) was a British geologist who made the first clear identification of the separate arrivals of P-waves, S-waves and surface waves on seismograms and the first clear evidence that the Earth has a central core.

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Robert Mallet

Robert Mallet, FRS, MRIA (3 June 1810 – 5 November 1881), Irish geophysicist, civil engineer, and inventor who distinguished himself in research on earthquakes and is sometimes called the father of seismology.

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Rock (geology)

Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids.

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S-wave

In seismology, S-waves, secondary waves, or shear waves (sometimes called an elastic S-wave) are a type of elastic wave, and are one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves.

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Salt dome

A salt dome is a type of structural dome formed when a thick bed of evaporite minerals (mainly salt, or halite) found at depth intrudes vertically into surrounding rock strata, forming a diapir.

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Science (journal)

Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.

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Sebastião José de Carvalho e Melo, 1st Marquis of Pombal

Sebastião José de Carvalho e Melo, 1st Marquis of Pombal, 1st Count of Oeiras (13 May 1699 – 8 May 1782), popularly known as Marquis of Pombal, was an 18th-century Portuguese statesman.

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Seismic analysis

Seismic analysis is a subset of structural analysis and is the calculation of the response of a building (or nonbuilding) structure to earthquakes.

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Seismic hazard

A seismic hazard is the probability that an earthquake will occur in a given geographic area, within a given window of time, and with ground motion intensity exceeding a given threshold.

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Seismic interferometry

Interferometry examines the general interference phenomena between pairs of signals in order to gain useful information about the subsurface.

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Seismic loading

Seismic loading is one of the basic concepts of earthquake engineering which means application of an earthquake-generated agitation to a structure.

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Seismic migration

Seismic migration is the process by which seismic events are geometrically re-located in either space or time to the location the event occurred in the subsurface rather than the location that it was recorded at the surface, thereby creating a more accurate image of the subsurface.

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Seismic noise

In geology and other related disciplines, seismic noise is a generic name for a relatively persistent vibration of the ground, due to a multitude of causes, that is a non-interpretable or unwanted component of signals recorded by seismometers.

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Seismic source

A seismic source is a device that generates controlled seismic energy used to perform both reflection and refraction seismic surveys.

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Seismic tomography

Seismic tomography is a technique for imaging the subsurface of the Earth with seismic waves produced by earthquakes or explosions.

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Seismite

Seismites are sedimentary beds and structures deformed by seismic shaking.

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Seismo-electromagnetics

Seismo-electromagnetics are various electro-magnetic phenomena believed to be generated by tectonic forces acting on the earth's crust, and possibly associated with seismic activity such as earthquakes and volcanoes.

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Seismogram

A seismogram is a graph output by a seismograph.

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Seismological Society of America

The Seismological Society of America (SSA) is an international scientific society devoted to the advancement of seismology and the understanding of earthquakes for the benefit of society.

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Seismometer

A seismometer is an instrument that measures motion of the ground, caused by, for example, an earthquake, a volcanic eruption, or the use of explosives.

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Seismotectonics

Seismotectonics is the study of the relationship between the earthquakes, active tectonics and individual faults of a region.

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Sekiya Seikei

, alternatively Sekiya Kiyokage, was a Japanese geologist, one of the first seismologists, influential in establishing the study of seismology in Japan and known for his model showing the motion of an earth-particle during an earthquake.

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Shearing (physics)

Shearing in continuum mechanics refers to the occurrence of a shear strain, which is a deformation of a material substance in which parallel internal surfaces slide past one another.

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Structure of the Earth

The interior structure of the Earth is layered in spherical shells: an outer silicate solid crust, a highly viscous asthenosphere and mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core.

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Susan Hough

Susan Elizabeth Hough (born March 20, 1961) is a seismologist at the United States Geological Survey in Pasadena, California, and scientist in charge of the office.

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Tectonics

Tectonics is the process that controls the structure and properties of the Earth's crust and its evolution through time.

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Thales of Miletus

Thales of Miletus (Θαλῆς (ὁ Μιλήσιος), Thalēs; 624 – c. 546 BC) was a pre-Socratic Greek philosopher, mathematician, and astronomer from Miletus in Asia Minor (present-day Milet in Turkey).

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Transverse wave

A transverse wave is a moving wave that consists of oscillations occurring perpendicular (right angled) to the direction of energy transfer (or the propagation of the wave).

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Tsunami

A tsunami (from 津波, "harbour wave"; English pronunciation) or tidal wave, also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake.

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VAN method

The VAN method – named after P. Varotsos, K. Alexopoulos and K. Nomicos, authors of the 1981 papers describing it – measures low frequency electric signals, termed "seismic electric signals" (SES), by which Varotsos and several colleagues claimed to have successfully predicted earthquakes in Greece.

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Vladimir Keilis-Borok

Vladimir Isaacovich Keilis-Borok (Влади́мир Исаа́кович Ке́йлис-Бо́рок; July 31, 1921 – October 19, 2013) was a Russian mathematical geophysicist and seismologist.

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Wiley-Blackwell

Wiley-Blackwell is the international scientific, technical, medical, and scholarly publishing business of John Wiley & Sons.

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Zhang Heng

Zhang Heng (AD 78–139), formerly romanized as Chang Heng, was a Han Chinese polymath from Nanyang who lived during the Han dynasty.

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1755 Lisbon earthquake

The 1755 Lisbon earthquake, also known as the Great Lisbon earthquake, occurred in the Kingdom of Portugal on the morning of Saturday, 1 November, the holy day of All Saints' Day, at around 09:40 local time.

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1857 Basilicata earthquake

The 1857 Basilicata earthquake (also known as the Great Neapolitan earthquake) occurred on December 16 in the Basilicata region of Italy southeast of the city of Naples.

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1906 San Francisco earthquake

The 1906 San Francisco earthquake struck the coast of Northern California at 5:12 a.m. on Wednesday, April 18 with an estimated moment magnitude of 7.9 and a maximum Mercalli intensity of XI (Extreme).

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1960 Valdivia earthquake

The 1960 Valdivia earthquake (Terremoto de Valdivia) or Great Chilean earthquake (Gran terremoto de Chile) of 22 May is the most powerful earthquake ever recorded.

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1964 Alaska earthquake

The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 PM AST on Good Friday, March 27.

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2004 Indian Ocean earthquake and tsunami

The 2004 Indian Ocean earthquake occurred at 00:58:53 UTC on 26 December with the epicentre off the west coast of Sumatra, Indonesia.

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2009 L'Aquila earthquake

The 2009 L'Aquila earthquake occurred in the region of Abruzzo, in central Italy.

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2011 Tōhoku earthquake and tsunami

The was a magnitude 9.0–9.1 (Mw) undersea megathrust earthquake off the coast of Japan that occurred at 14:46 JST (05:46 UTC) on Friday 11 March 2011, with the epicentre approximately east of the Oshika Peninsula of Tōhoku and the hypocenter at an underwater depth of approximately.

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Earthquake seismology, Engineering Seismology, History of seismology, Seismic, Seismological observatory, Seismologist, Seismologists, Seisomologist.

References

[1] https://en.wikipedia.org/wiki/Seismology

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