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Mount Rainier was experiencing "the most significant seismic activity ... which monitors volcanoes across Washington, Oregon and Idaho. Some of the earthquakes were too small to even locate.
On Tuesday, hundreds of earthquakes were detected, with depths ranging from 1.2 to 3.7 miles below the summit.
Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected.
WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...
Mount Rainier experienced a significant earthquake swarm, the largest since 2009, with hundreds of small quakes detected near ...
The United States Geological Survey (USGS) has announced that an earthquake swarm has begun beneath Mount Rainier. According ...
Hundreds of earthquakes are detected at or near Mount Rainier each year, though typical swarms are smaller than what started ...