A swarm of more than 1,350 earthquakes shook Mount Rainier this summer. USGS scientists took a closer look. Here’s what they ...

A light, 4.1-magnitude earthquake struck in the San Francisco Bay Area on Thursday, according to the United States Geological ...

An earthquake with a preliminary magnitude of 3.1 struck in Colusa County on Wednesday, the U.S. Geological Survey said.

SONOMA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.1 magnitude quake occurred near The Geysers ...

SKAGIT COUNTY, Wash. - A 2.3-magnitude earthquake struck near Big Lake, Washington early Friday morning. According to the ...

N early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.

The United States Geological Survey warned that nearly 75% of the U.S. could face potentially damaging earthquakes and intense ground shaking in the next 100 years. The agency shared new maps ...

7.4 magnitude earthquake hits off Russian coast, prompting brief tsunami alerts in Russia, Hawaii A 7.4 magnitude quake struck near Petropavlovsk-Kamchatsky, Russia, USGS said.

On that day, two earthquakes — one a 3.5 magnitude and the other 3.6 — were included in a flurry of tremors and aftershocks.

The two earthquakes, which occurred at magnitudes of 3.5 and 3.4, were separated by six hours and centered just miles outside of Fontana, according to the USGS.