A 6.2-magnitude earthquake was reported in Alaska on Sunday (July 20), 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.

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

Kamchatka: A series of strong earthquakes struck off the coast of Russia’s far eastern Kamchatka Peninsula on Sunday, July 20 ...

While earthquakes do occur on occasion in Florida, what you felt last night wasn't an earthquake, at least according to the U ...

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for ...

Over 200 earthquakes have been detected around Mount Rainier, Washington, raising eyebrows during the biggest swarm of ...

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

Swarms — or clusters of earthquakes that occur in the same area in quick succession — are relatively common on Mount Rainier.

A series of three earthquakes jolted the area near Petropavlovsk-Kamchatsky within a 32-minute window on Sunday. The most powerful of the tremors, originally measured at magnitude 7.4 and later ...