Nearly 45 years after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, ...
Over 400 earthquakes have been detected near Mount St. Helens since mid-July, but the United States Geological Survey says that it isn’t something to worry about. Read more: https://www.koin.com ...
An curved arrow pointing right. Mount St. Helens has recently been swarming with geological activity, which could mean the giant American volcano is gearing up for its next big eruption.
When Mount St. Helens in Washington erupted nearly 45 years ago, it killed 57 people, destroyed hundreds of homes, spread ash to at least 10 other states and blasted a wide, horseshoe-shaped crater ...
“High rates of seismicity, interpreted as recharge, have been observed in the past at Mount St. Helens and at other volcanoes ...
Recent increased seismic activity at Mt. Adams has brought state, tribal, and federal leaders together to reassess their eruption plans.
Mount Adams, Washington state's largest active volcano, is witnessing a surge in seismic activity. The seismic activity has ...
A very common case study for volcanoes is the eruption of Mount St Helens in the USA in 1980. Other case studies include the eruption of Mount Etna in Sicily in 1974 and Heimaey eruption in ...
An extensive volcano glossary can be found at volcanoes.usgs.gov. Above left: Mt. St. Helens, a grande dame among andesitic volcanoes, erupts on July 22, 1980.