While California is no stranger to earthquakes, this 6.1-magnitude event was the largest to hit the region since the 1989 Loma Prieta quake that had a magnitude of 6.9.

NORTHERN CALIFORNIA (KABC) -- An earthquake with a preliminary magnitude of 5.7 struck 17 miles west of Petrolia in Northern California on Wednesday. The quake hit shortly after 1 p.m. about ...

Experts have issued an urgent warning regarding a supposed upcoming earthquake known as 'The Big One'. Scientists explained that the earthquake could have a magnitude of around 7.7 on the Richter ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...

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

One of the most powerful earthquakes in history triggered a tsunami that made landfall in Russia, Japan and the US.