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The BriefMount Rainier's recent seismic swarm has surpassed 2009 records, with 391 events since July 8.Scientists report ...
The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009 ...
A significant earthquake swarm was detected beneath Mount Rainier in Washington State, marking the most intense seismic activity in the area since 2009. Over 300 earthquakes have occurred since the ...