directed blast

A hot, low density mixture of gas, rock debris, and ash that is propelled by a volcanic eruption and generally moves along the ground at high speeds (Miller, 1989).

Glossary of volcanic terms. - University of Wisconsin Oshkosh. . 2001.

Look at other dictionaries:

  • blast — /blast / (say blahst) noun 1. a sudden blowing or gust of wind. 2. the blowing of a trumpet, whistle, etc. 3. the sound produced by this. 4. a forcible stream of air from the mouth, from bellows, or the like. 5. Metallurgy air under pressure… …   Australian English dictionary

  • Blast furnace — A blast furnace is a type of metallurgical furnace used for smelting to produce metals, generally iron. In a blast furnace, fuel and ore are continuously supplied through the top of the furnace, while air (sometimes with oxygen enrichment) is… …   Wikipedia

  • blast — blaster, n. blasty, adj. /blast, blahst/, n. 1. a sudden and violent gust of wind: Wintry blasts chilled us to the marrow. 2. the blowing of a trumpet, whistle, etc.: One blast of the siren was enough to clear the street. 3. a loud, sudden sound… …   Universalium

  • blast — [[t]blæst, blɑst[/t]] n. 1) a sudden and violent gust of wind 2) the blowing of a trumpet, whistle, etc 3) a loud, sudden sound or noise: a harsh blast from the radio[/ex] 4) a forcible stream of air from the mouth, bellows, or the like 5) mac a) …   From formal English to slang

  • Blast of Silence — Infobox Film name = Blast of Silence image size = caption = director = Allen Baron producer = Merrill Brody writer = Allen Baron narrator = Lionel Stander starring = Allen Baron Molly McCarthy Larry Tucker Peter Clume music = Meyer Kupferman… …   Wikipedia

  • Blast! (2004 film) — Infobox Film name = Blast! image size = caption = director = Anthony Hickox producer = writer = Teleplay: Horst Freund Screenplay: Steven E. de Souza narrator = starring = Eddie Griffin Vinnie Jones Breckin Meyer music = cinematography = editing …   Wikipedia

  • lateral blast — GLOSSARY OF VOLCANIC TERMS A volcanic eruption which is directed horizontally instead of vertically. Lateral blasts may be caused by sudden decompression of a shallow magma chamber residing within the flanks of a volcano (for example, the 1980… …   Glossary of volcanic terms

  • volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …   Universalium

  • Безымянный (вулкан) — У этого термина существуют и другие значения, см. Безымянный. Безымянный …   Википедия

  • Mount St. Helens — This article is about the volcano in Washington State. For the 1980 eruption, see 1980 eruption of Mount St. Helens. For the mountain in California, see Mount Saint Helena. Mount St. Helens …   Wikipedia

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