Mount Rainier in Washington state has been rocked by more than 300 earthquakes the largest seismic swarm in nearly two decades. While officials insist there's no need for panic, experts are watching ...

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 ...