Hundreds of small earthquakes were detected at Mount Rainier on Tuesday in the largest such swarm at the active stratovolcano ...

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

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

The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

Hundreds of earthquakes are detected at or near Mount Rainier each year, with "swarms" typically occurring once or twice ...

Mount Rainier National Park in Washington state recorded hundreds of light earthquakes early Tuesday morning, though the ...

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected.

The activity began just before 1:30 a.m. on July 8, with hundreds of earthquakes recorded at depths ranging from over a mile ...

Earthquakes are common at Mount Rainier, happening about nine times every month, the agency said. Swarms of earthquakes ...