Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological Survey reported. The swarm at the second-most seismically active volcano in ...

These “lahars,” as they're called, pose a similar risk on another active volcano nearby, Mount Rainier. During its next eruption, it could send a mix of volcanic debris right down both forks of the ...

Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several volcanoes experiencing heightened eruptions and seismic tremors. The Ring ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009. As of Thursday, July 10, 334 earthquakes had been identified at ...

PORTLAND Ore. (KPTV) - Mount Rainier’s ongoing earthquake swarm intensified Wednesday with he strongest quake yet: a magnitude 2.3 event recorded beneath the summit. According to the U.S. Geological ...

PIERCE COUNTY, Wash. (KATU) — A swarm of more than 300 earthquakes has now been recorded at Mount Rainier. There have been 334 quakes recorded since the swarm began on July 8, making this swarm the ...

MOUNT RAINIER, Wash. — A swarm of small earthquakes was detected at Mount Rainier Tuesday morning, according to the U.S. Geological Survey Cascades Volcano Observatory (CVO) and the Pacific Northwest ...

Over 300 minor earthquakes have been detected under the surface of Mount Rainier since the morning of Tuesday, July 8. The swarm is the first of its kind since 2009, and, according to Pacific ...