Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active ...

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.

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

The quakes began just before 1:30 a.m. on Tuesday, according to the Geological Survey at the Cascade Volcano Observatory.

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

The three earthquakes from this past Friday were shallow yet minor in magnitude, meaning they occurred near the surface, but ...

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

This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the ...

The temblor was felt in Chiriquí and surrounding areas in western Panama, a region known for frequent seismic activity.

A 5.7-magnitude earthquake and its aftershocks near Guatemala City led to landslides that were reported to have killed at ...