The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009 ...

The BriefMount Rainier's recent seismic swarm has surpassed 2009 records, with 391 events since July 8.Scientists report ...

The tremors were too weak for humans to feel. But the frequency of them is the most since researches started monitoring the ...

Hawaiian Volcano Observatory field engineers on July 10, 2025, visited monitoring stations downwind of the Kīlauea summit ...

Over 300 earthquakes have occurred at Mount Rainier in Washington State, Washington. This was the largest earthquake swarm ...