- Plinian eruption
- nouna volcanic eruption in which a stream of gas and ash is violently ejected to a height of several miles• Hypernyms: ↑volcanic eruption, ↑eruption
Useful english dictionary. 2012.
Plinian eruption
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Plinian eruption — Plinian eruptions are volcanic eruptions marked by their similarity to the eruption of Mt. Vesuvius in AD 79 (as described in a letter written by Pliny the Younger) that killed Pliny the Elder.Plinian eruptions are marked by columns of smoke and… … Wikipedia
plinian eruption — ALASKA VOLCANO OBSERVATORY GLOSSARY An explosive eruption in which a steady, turbulent stream of fragmented magma and magmatic gases is released at a high velocity from a vent. Large volumes of tephra and tall eruption columns are characteristic … Glossary of volcanic terms
Eruption column — over Mount Pinatubo in the Philippines An eruption column consists of hot volcanic ash emitted during an explosive volcanic eruption. The ash forms a column rising many kilometres into the air above the peak of the volcano. In the most explosive… … Wikipedia
eruption — noun 1. the sudden occurrence of a violent discharge of steam and volcanic material (Freq. 1) • Syn: ↑volcanic eruption • Derivationally related forms: ↑erupt • Hypernyms: ↑discharge • … Useful english dictionary
Plinian — [ plɪnɪən] adjective Geology relating to or denoting a type of volcanic eruption in which a narrow stream of gas and ash is violently ejected from a vent to a height of several miles. Origin C17: from Ital. pliniano, with ref. to the eruption of… … English new terms dictionary
Phreatomagmatic eruption — Phreatomagmatic eruptions are defined as juvenile forming eruptions as a result of interaction between water and magma. They are different from magmatic and phreatic eruptions. The products of phreatomagmatic eruptions contain juvenile clasts,… … Wikipedia
Hatepe eruption — The Hatepe eruption (named for the Hatepe Plinian pumice fall deposit [cite journal |last=Talbot |first=J. P. |authorlink= |coauthors=Self, S.; Wilson, C. J. N. |year=1994 |month= |title=Dilute gravity current and rain flushed ash deposits in the … Wikipedia
Minoan eruption — Satellite image of Thera, November 21, 2000 Volcano Thera Date 2nd millennium BCE Type … Wikipedia
Phreatic eruption — A Phreatic eruption, also called an ultravulcanian eruption, occurs when rising magma makes contact with ground or surface water. The extreme temperature of the magma (anywhere from 600 °C to 1,170 °C (1110–2140 °F)) causes near instantaneous… … Wikipedia
phreatic eruption — ALASKA VOLCANO OBSERVATORY GLOSSARY An explosive volcanic eruption caused when water and heated volcanic rocks interact to produce a violent expulsion of steam and pulverized rocks. Magma is not involved. GLOSSARY OF VOLCANIC TERMS A steam… … Glossary of volcanic terms
