Many of California's largest cities lie near fault lines, a particular danger when encountering the under-studied "supershear" quakes.
Earthquakes can visibly and permanently crack the ground apart in dramatic and unpredictable surface fault rupture, but new ...
This is read by an automated voice. Please report any issues or inconsistencies here. Dozens of small earthquakes have shaken the San Francisco Bay Area over the last month, rattling nerves and ...
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, ...
This is read by an automated voice. Please report any issues or inconsistencies here. San Ramon has been rocked by more than 75 earthquakes since November, with a magnitude 4 quake Friday night ...
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 ...