Hundreds of earthquakes detected at Mount Rainier in Washington, “most significant seismic activity” since 2009
Mount Rainier was experiencing “the most significant seismic activity” at the volcano in more than 15 years as an “earthquake swarm” hit the site starting on Tuesday, according to the U.S. Geological Survey’s Cascades Volcano Observatory. The swarm — hundreds of small earthquakes hitting the same area in quick succession — started around 1:30 a.m. … Read more