(Gengshen April sixth days), May 19, 1980, the volcanic eruption of Mount St. Helens. volcanic ash floating the


volcanic eruption 500 miles
1980 May 19, 2010, Mount St. Helens suddenly erupted volcanic ash up to 60,000 feet, so it was very dark, far to the east, 160 miles away Walla Walla, at least 8 people were killed. This dormant volcano, geologists do with it after the injection of steam and ash Mo inspection of a few weeks. Is the morning of 8 �� 39 points, the outbreak of the volcano began with a bang, blow up the 9677 feet high mountain peak, the shock can be felt 100 miles away.
volcanic eruptions caused by the floods and rolling in the mud poured into the the Tootell valley flooded several residents not to leave. A dozen volcanoes around the forest fire, the fire difficult to control. Geological experts say the eruption is caused by the two earthquakes that occurred before the volcanic eruption.