HUMBOLDT COUNTY, CA - A preliminary 2.6 magnitude quake shook close to Petrolia on Wednesday morning, according to the U.S.

According to the U.S. Geological Survey, a preliminary 2.3 magnitude quake occurred near Petrolia on Tuesday morning.

A ‘life-threatening’ earthquake off the coast of Russia has triggered tsunami warnings across the Pacific. The 8.8 magnitude tremor erupted in the Kamchatka Peninsula in Russia’s far east early this ...

BUTTE, Mont. — The ground under western Montana occasionally rumbles and shakes with an average of 10 occurring per day. In the video above, Meteorologist Mitchel Coombs continues the deep dive into ...

One of the most commonly known earthquake-measuring tools is the Richter Scale, but the system is no longer used today. The Richter scale was replaced in the 1970s by other magnitude scales that are ...

A 6.6-magnitude earthquake was reported in the US.

A magnitude 7.0 earthquake struck off the coast of northern California at 10:44 a.m. on Wednesday, rattling cities as far south as Oakland, according to a preliminary estimate from the U.S. Geological ...