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The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...
More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...
While considered an active volcano, Mount Rainier hasn’t erupted in at least a century, possibly much longer. The U.S ...
Geologists are continuing to monitor Mount Rainier in Washington state days after the first earthquake swarm in more than 15 ...