Natural Hazards in El Salvador, Issue 375William Ingersoll Rose |
Common terms and phrases
2001 earthquakes Acajutla activity adobe aftershocks America Special Paper andesite Bommer Boquerón Bulletin carbon Caribbean plate catalog Central America Cerro clasts Coatepeque Cocos plate Colinas collapse crater dacite damage debris avalanche debris flows degassing deposits depth diffuse disasters distribution Earthquake Engineering efflux El Salvador epicenter eruption estimated fault February Figure flank focal mechanism frequency fumarole g m² Geological Society Geothermal ground motion Guatemala hydrothermal Ilopango Caldera km² lake landslide lava flows located mafic magnitude Natural hazards observed occurred plagioclase population Pullinger pumice pyroclastic flows quake radon recorded region risk rock rupture Salvador earthquake samples San Miguel volcano San Salvador volcano San Vicente volcano Santa Ana volcano seismic hazard shear slope Society of America Special Paper 375 spectral stress structural subduction zone tectonic tephra thick Tierra Blanca tion triggered tsunami U.S. Geological Survey values vent volcanic chain Volcanology volume