While there was no widespread damage reported in California as of Wednesday morning, the effects of the tsunami will likely ...

A powerful earthquake off Russia’s east coast triggered tsunami waves across the Pacific, prompting alerts in Hawaii and ...

Hours after a powerful earthquake struck off Russia's Kamchatka Peninsula, the region's highest volcano began erupting.

A magnitude 4.4 earthquake hit Southern California on Thursday morning, according to the U.S. Geological Society.

A light, 4.3-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey ...

Tsunami alerts were issued for Alaska and Hawaii on Tuesday after a major, 8.8 magnitude earthquake struck off the coast of ...

About 5% to 10% of all California earthquakes are followed by a larger one within a week, and the probability of a larger quake depends on how much aftershock activity there is, according to the USGS.

Southern California’s last magnitude 7.9 earthquake occurred in 1857, when the San Andreas ruptured between Monterey and Los Angeles counties.

Two people are dead and a California town was left a "total mess" following a 6.4-magnitude earthquake that struck the coast, according to local officials. There is no power or water in the city ...