PORTLAND, Ore. - An earthquake with a magnitude of 4.5 shook the Mount Hood area early Saturday but there were no reports of damage or injuries. Bill Steele of the University of Washington's Pacific ...

Small earthquakes have rocked the active volcano Mt. Rainier in the Cascade Mountain Range this month, sending shockwaves around the 14,410-foot mountain. The United States Geological Survey reported ...

PORTLAND Ore. (KPTV) - A swarm of small earthquakes was detected early Tuesday under Mount Rainier, prompting increased monitoring by scientists, though officials emphasize there is no current threat ...

A swarm of small earthquakes is still shaking Mount Rainier, marking the most significant seismic activity at the Cascade volcano in decades. The U.S. Geological Survey’s Cascades Volcano Observatory, ...

A swarm of hundreds of small earthquakes has been detected rumbling deep below Mt. Rainier in Washington State early Tuesday morning, though geologists stress there is no cause for concern. The quakes ...

Rime ice buildup on Mount Rainier's only analog seismic station has led to false reports of increased tremor activity, the Pacific Northwest Seismic Network said.