Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

Large or shallow quakes can rupture Earth’s surface, creating a linear feature in the land known as a fault scrap. This ...

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

Beneath Yellowstone’s stunning surface lies a hyperactive seismic world, now better understood thanks to machine learning. Researchers have uncovered over 86,000 earthquakes—10 times more than ...

A 5.0-magnitude earthquake was reported in Alaska on Monday (July 21), according to the United States Geological Survey. The ...

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

The larger quake was at a depth of 20 kilometers and was 144 kilometers east of the city of Petropavlovsk-Kamchatsky, which ...

A 6.2-magnitude earthquake was reported in Alaska on Sunday (July 20), according to the United States Geological Survey. The earthquake was centered in San Point at a depth of 47.3 kilometers (about ...

A recent 7.3 magnitude earthquake off Alaska's Aleutian Peninsula triggered tsunami warnings, stirring memories of the 1958 ...

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

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

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