A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of ...

The wavefronts began to reach stations in Canada and the central US, demonstrating the broadening scope ... While the link between earthquakes and geomagnetic activity remains poorly understood, the ...

Ground shaking was strongest in Sand Point, with reports of "objects flying out of the pantry and off of shelves," noted the ...

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 ...

A magnitude 7.3 earthquake struck Alaska on Wednesday afternoon and a tsunami warning was canceled two hours later for the ...

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

“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 ...

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

Frequent aftershock activities stemming from a trio of quakes that occurred near the Missouri-Kentucky border between 1811 and 1812, and a separate earthquake in Charleston, South Carolina, in ...