May 18th marks the 45th anniversary of the eruption of Mt. St. Helens and the creation of the USGS Cascades Volcano Observatory. This Saturday they are holding an open house to teach people about ...
A swarm of small earthquakes is still shaking Mount Rainier, marking the most significant seismic activity at the Cascade volcano in decades. The U.S. Geological Survey’s Cascades Volcano Observatory, ...
As of January 4, 2021, Dr. Jon Major takes over leadership of the USGS Cascades Volcano Observatory from Seth Moran, who has served as the scientist-in-charge for the past five years. “It is my ...
The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...