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Pyroclastic flow

Index Pyroclastic flow

A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that moves away from a volcano reaching speeds of up to. [1]

41 relations: Bulletin of Volcanology, Caribbean, Convection, Eruption column, Eruption of Mount Vesuvius in 79, Explosive eruption, Gravity current, Greek language, Herculaneum, Ignimbrite, Institut de l'information scientifique et technique, Katia and Maurice Krafft, Kinetic energy, Lahar, Lateral eruption, Lava dome, Martinique, Montserrat, Moon, Mount Pelée, Mount Unzen, Novarupta, Philippines, Plinian eruption, Pompeii, Pyroclastic fall, Pyroclastic rock, Pyroclastic surge, Rille, Saint-Pierre, Martinique, Schroter's Valley, Soufrière Hills, Sumatra, Tephra, Tuff, University of Kiel, Volcanic gas, Volcanology, Vulcanian eruption, 1883 eruption of Krakatoa, 1980 eruption of Mount St. Helens.

Bulletin of Volcanology

The Bulletin of Volcanology is a peer reviewed scientific journal that is published ten times per year by Springer Science+Business Media.

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Caribbean

The Caribbean is a region that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean) and the surrounding coasts.

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Convection

Convection is the heat transfer due to bulk movement of molecules within fluids such as gases and liquids, including molten rock (rheid).

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Eruption column

An eruption column is a cloud of super-heated ash and tephra suspended in gases emitted during an explosive volcanic eruption.

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Eruption of Mount Vesuvius in 79

Mount Vesuvius, a stratovolcano in modern-day Italy, erupted in 79 AD in one of the most catastrophic volcanic eruptions in European history.

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Explosive eruption

In volcanology, an explosive eruption is a volcanic eruption of the most violent type.

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Gravity current

In fluid dynamics, a gravity current is a primarily horizontal flow in a gravitational field that is driven by a density difference, hence gravity currents also sometimes being referred to as "density currents".

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Greek language

Greek (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to Greece and other parts of the Eastern Mediterranean and the Black Sea.

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Herculaneum

Located in the shadow of Mount Vesuvius, Herculaneum (Italian: Ercolano) was an ancient Roman town destroyed by volcanic pyroclastic flows in 79 AD.

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Ignimbrite

Ignimbrite is a variety of hardened tuff.

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Institut de l'information scientifique et technique

The Institut de l'information scientifique et technique, or INIST (Institute of Scientific and Technical Information) is the CNRS centre of documentation located in France.

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Katia and Maurice Krafft

Catherine Joséphine Krafft (née Conrad; 17 April 1942 – 3 June 1991) and her husband, Maurice Paul Krafft (25 March 1946 – 3 June 1991), were French volcanologists who died in a pyroclastic flow on Mount Unzen, in Japan, on June 3, 1991.

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Kinetic energy

In physics, the kinetic energy of an object is the energy that it possesses due to its motion.

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Lahar

A lahar (from wlahar) is a violent type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris and water.

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Lateral eruption

A lateral eruption, also called a flank eruption or lateral blast if explosive, is a volcanic eruption that takes place on the flanks of a volcano instead of at the summit.

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Lava dome

In volcanology, a lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano.

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Martinique

Martinique is an insular region of France located in the Lesser Antilles of the West Indies in the eastern Caribbean Sea, with a land area of and a population of 385,551 inhabitants as of January 2013.

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Montserrat

Montserrat is a Caribbean island in the Leeward Islands, which is part of the chain known as the Lesser Antilles, in the West Indies.

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Moon

The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

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Mount Pelée

Mount Pelée (pronounced; Montagne Pelée meaning "bald mountain" or "peeled" mountain") is an active volcano at the northern end of Martinique, an island and French overseas department in the Lesser Antilles island arc of the Caribbean.

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Mount Unzen

is an active volcanic group of several overlapping stratovolcanoes, near the city of Shimabara, Nagasaki on the island of Kyushu, Japan's southernmost main island.

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Novarupta

Novarupta (meaning "newly erupted" in Latin) is a volcano that was formed in 1912, located on the Alaska Peninsula in Katmai National Park and Preserve, about southwest of Anchorage.

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Philippines

The Philippines (Pilipinas or Filipinas), officially the Republic of the Philippines (Republika ng Pilipinas), is a unitary sovereign and archipelagic country in Southeast Asia.

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Plinian eruption

Plinian eruptions or Vesuvian eruptions are volcanic eruptions marked by their similarity to the eruption of Mount Vesuvius in 79 AD, which destroyed the ancient Roman cities of Herculaneum and Pompeii.

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Pompeii

Pompeii was an ancient Roman city near modern Naples in the Campania region of Italy, in the territory of the comune of Pompei.

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Pyroclastic fall

A pyroclastic fall is a uniform deposit of material which has been ejected from a volcanic eruption or plume such as an ash fall or tuff.

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Pyroclastic rock

Pyroclastic rocks or pyroclastics (derived from the πῦρ, meaning fire; and κλαστός, meaning broken) are clastic rocks composed solely or primarily of volcanic materials.

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Pyroclastic surge

A pyroclastic surge is a fluidized mass of turbulent gas and rock fragments that is ejected during some volcanic eruptions.

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Rille

Rille (German for 'groove') is typically used to describe any of the long, narrow depressions in the surface of the Moon that resemble channels.

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Saint-Pierre, Martinique

Saint-Pierre is a town and commune of France's Caribbean overseas department of Martinique, founded in 1635 by Pierre Belain d'Esnambuc.

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Schroter's Valley

Schroter's Valley, frequently known by the Latinized name Vallis Schröteri, is a sinuous valley or rille on the surface of the near side of the Moon.

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Soufrière Hills

The Soufrière Hills volcano is an active, complex stratovolcano with many lava domes forming its summit, on the Caribbean island of Montserrat.

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Sumatra

Sumatra is an Indonesian island in Southeast Asia that is part of the Sunda Islands.

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Tephra

Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size, or emplacement mechanism.

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Tuff

Tuff (from the Italian tufo) is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption.

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University of Kiel

Kiel University (German: Christian-Albrechts-Universität zu Kiel, CAU) is a university in the city of Kiel, Germany.

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Volcanic gas

Volcanic gases are gases given off by active (or, at times, by dormant) volcanoes.

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Volcanology

Volcanology (also spelled vulcanology) is the study of volcanoes, lava, magma, and related geological, geophysical and geochemical phenomena.

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Vulcanian eruption

The term vulcanian was first used by Giuseppe Mercalli, witnessing the 1888–1890 eruptions on the island of Vulcano.

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1883 eruption of Krakatoa

The 1883 eruption of Krakatoa in the Dutch East Indies (now Indonesia) began in the afternoon of Sunday, 26 August 1883 (with origins as early as May of that year), and peaked in the late morning of Monday, 27 August when over 70% of the island and its surrounding archipelago were destroyed as it collapsed into a caldera.

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1980 eruption of Mount St. Helens

On May 18, 1980, a major volcanic eruption occurred at Mount St. Helens, a volcano located in Skamania County, in the State of Washington.

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Redirects here:

Ash flow, Glowing Cloud, Nue ardente, Nuee Ardente, Nuee ardente, Nuees ardentes, Nues ardentes, Nuée Ardente, Nuée ardente, Nuées ardentes, Nués ardentes, Pyroclasic flows, Pyroclastic Current, Pyroclastic Eruption, Pyroclastic Flow, Pyroclastic Flows, Pyroclastic Stream, Pyroclastic cloud, Pyroclastic current, Pyroclastic density current, Pyroclastic eruption, Pyroclastic flows, Pyroclastic stream, Stone wind.

References

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

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