The Philippines

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Mt Pinatubo

June 12-15 1991

VEI 6

not been active for 450-500 years

300 people died

coincidid with Typhoon Yunya

Part of a chain of volcanoes

A subduction volcano formed by the Philippine Mobile Bet sliding over the Eurasian Plate along the Manila Trench to west

A destructive boundary

Presence of US Air force and navy

1990 Earthquake in Luzon 7.7

Steam reports from residents

siesmographs

radiocarbon dating of volanic soil

Geographical mapping of soil

PHIVOLCS

USGS

Impacts

roofs collapsed under the wieght of th ash

Typhoon brought heavy rain

River valley were filled in by the pyroclastic flows

2.1 million people affected

8000 homes destroyed and 73 000 were

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