Lecture_05 - (79 AD LAHARS C MUDFLOW OF ASH AND WATER C I.E...

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LECTURE 5: VOLCANO DYNAMICS 1.0 DISTRIBUTION OF VOLCANOS DIVERGENT BOUNDARIES C ICELAND CONVERGENT BOUNDARIES C PACIFIC RING OF FIRE HOT SPOTS C HAWAII 1.1 TYPES OF MAGMA BASALTIC C SILICA POOR C LOW VISCOSITY C EASILY FLOWS RYOLYTIC C SILICA RICH C HIGH VISCOSITY C THICK AND EXPLOSIVE ANDESITIC C INTERMEDIATE COMPOSITION C INTERMEDIATE VISCOSITY
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1.2 TYPES OF VOLCANOES FISSURE ERUPTIONS FLOOD BASALTS C COLUMBIA PLATEAU, WASHINGTON & OREGON SHIELD VOLCANOES C MAUNA LOA, HAWAII VOLCANIC (RESURGENT) DOMES C SUMMIT CRATER, MT. ST. HELENS CINDER CONES C PARICUTIN, MEXICO COMPOSITE OR STRATOVOLCANOES C MT. ST. HELENS, WASHINGTON C MOUNT FUJI, TOKYO C ALEUTIAN ISLANDS, ALASKA CALDERA C CRATER LAKE, OREGON 1.3 VOLCANIC REMNANTS VOLCANIC NECK C DEVIL = S TOWER, WYOMING 1.4 VOLCANIC HAZARDS LAVA C 500 E TO 1,400 E C C VISCOSITY FUNCTION OF SILICA CONTENT AND
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TEMPERATURE C I.E. HAWAII, ICELAND PYROCLASTICS C AIR BORN FRAGMENTS OF HOT ROCK AND SPLATTERING LAVA C I.E. , PARICUTIN (1960), MT. ST. HELENS (1980), MT. VESUVIUS
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Unformatted text preview: (79 AD) LAHARS C MUDFLOW OF ASH AND WATER C I.E. MONTSERRAT, MT. ST. HELENS, MT. VESUVIUS NUÉE ARDENTE C HOT GASES AND ASH (1,000 E C, 60MPH) C I.E. MAYON, PHILIPPINES; MT. SAINT HELENS, OREGON; MONT PELEE, MARTINIQUE (1902) C VILLAGE OF ST. PIERRE (25-30,000 DEATHS IN 3 MINUTES) VOLCANIC GASES C MOSTLY WATER VAPOR C ALSO TOXIC CO 2 GAS C I.E. CAMEROON (1986) 1,700 LIVES LOST FROM CO 2 VOLCANIC STEAM C I.E. KRAKATAU (1883) EQUIV. TO 100 MILLION TONS OF DYNAMITE DUST INJECTED 80 KM INTO ATMOSPHERE CREATED TSUNAMI WAVE 40M HIGH WAVE (36,000 LIVES LOST) FAMINE AND DISEASE C I.E. TAMBORA (1815) INDONESIA C 80,000 DEATHS 1.5 VOLCANIC HAZARDS MAP UNITED STATES 1.6 PREDICTING VOLCANIC ERUPTIONS ACTIVITY OF VOLCANOES C ACTIVE VOLCANOES (600) 50 to 60 ERUPTIONS PER YEA C DORMANT VOLCANOES MT. RAINIER, WA C EXTINCT VOLCANOES DEVILS TOWER, WY VOLCANIC PRECURSORS C EARTHQUAKES C UPLIFT AND TILTING C SULFUR DIOXIDE EMISSION C TEMPERATURE CHANGES C CHANGE IN MAGNETIC FIELD...
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This note was uploaded on 07/25/2008 for the course ISP 203A taught by Professor Larson during the Fall '08 term at Michigan State University.

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Lecture_05 - (79 AD LAHARS C MUDFLOW OF ASH AND WATER C I.E...

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