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 ...

These 10 U.S. states experience the highest number of earthquakes, shaking their ground quietly yet consistently, reminding ...

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.

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

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

The good news for 2024 U.S. quakes — no casualties and little damage. On the other side of the scale, induced earthquake activity remains high and our response to tsunami warnings leaves much ...

Aftershocks from devastating earthquakes in the 1800s near the Missouri-Kentucky border and in Charleston, South Carolina, may still be occurring, a study found.

“There's still earthquakes happening at Mount Spurr.” Matt Loewen / Alaska Volcano Observatory/ USGS Chart detailing earthquake activity and deformation at Mount Spurr from Sept. 1, 2023, to ...

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