A rapid-fire barrage of 16 earthquakes slammed Southern California in less than 24 hours, reigniting terrifying fears that ...

Once in a while, the people of California have the ground reminded of the fact that the ground is, in reality, unrest. Throughout the past 24 hours, a series of earthquakes of varying intensity, ...

A series of strong quakes abroad and smaller ones at home has Californians increasingly asking the same question: Is the “Big One” looming? Two earthquakes of magnitude 7.0 or greater struck within ...

Onlookers gaze out to sea at the Sutro Baths overlook in San Francisco on Dec. 5, 2025. A tsunami warning was issued after a magnitude 7.0 earthquake struck off the coast of the Humboldt Peninsula, ...

Earthquakes usually strike without warning. But sometimes they come in clusters — dozens or even hundreds of small quakes concentrated in one area over days or weeks. Geologists call these clusters ...