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Small Explosions Interrupt 3year Quiescence
Correlation between Atmospheric Precipitation
Earthquakes JulyAugust 1991
5.8 earthquake a.m. MDT aftershocks Alaska Aleutian Islands Andreanof Islands Arequipa ash-producing explosions August August 17 ballistic blocks Cold Bay Colorado 37.5N confirmed ash-producing Costa Rica crater floor dacite damage was reported debris flow December deformation deposits dome earth earthquake was centered earthquake was felt earthquake was located effects were experienced effects were noted epicentral area eruptions explosion-like seismic events felt strongly felt with less Hawaii Helens impact craters Indonesia injured June King Cove km north km south km southwest km west landslide landslide disaster landslide hazard landslide problem lava located about 75 magma magnitude 3.0 earthquake May1 meters minor earthquake occurred Missouri Mount St Nevada nitude NLIC Oregon p.m. PDT pyroclastic flow quake was felt quake was located rainfall Salvador scientists seismic signal Seismic signature seismometer Slight damage snow southern storms Tephra tiltmeters U.S. Geological Survey vent volcano Washington World Landslide