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

The swarm at the second-most seismically active volcano in the northern Cascade Range started at 1:29 a.m. PT on July 8, the USGS reported in an X post.

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

Hundreds of small earthquakes rattled one of the most dangerous volcanos in the US Tuesday, setting off fears it could be ...

Mount Rainier saw a swarm of hundreds of small earthquakes that started early Tuesday morning.The activity began just before 1:30 a.

MT. 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 ...

Mount Rainier has been shaken by its largest earthquake swarm since 2009, according to the US Geological Survey. Hundreds of small tremors were recorded on July 8, sparking attention but no immediate ...

Hundreds of small earthquakes have been detected at Mount Rainier in Washington in an earthquake swarm, the largest number seen in more than 15 years, according to geologists.

A swarm of earthquakes under the largest volcano in the Cascade Mountain Range has some people wondering if it's rumbling ...

This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?