We asked readers to answer a series of questions to create a new map of California regions. This was the result.

Scientists have a new method for studying faults that could improve earthquake forecasts, shedding light on where quakes ...

Some sections of California's coast are considered vulnerable to tsunamis. Find out where those locations are and how to best ...

The quake struck 15 miles north-northeast of the town of Yerington, about 40 miles east of Carson City, at 3:08 p.m. local ...

Scientists have warned that the major earthquake that rocked California on Thursday is a wake-up call to prepare for a future ...

Onlookers gaze out to sea at the Sutro Baths overlook in San Francisco, Calif., on Thursday, Dec. 5, 2025. A tsunami warning ...

Scientists have warned that the major earthquake that rocked California on Thursday is a wake-up call to prepare for a future ...

Dozens of offshore aftershocks followed a magnitude-7.0 earthquake off the coast of Northern California that led to a brief tsunami warning.

State and local officials were working to assess the full scope of the damage, but early reports appeared to show that the ...

On a crystal-clear afternoon above a desert ghost town, a NASA aircraft scoured the ground for minerals. The plane, a ...

The United States has positioned three aircraft carriers in the Western Pacific Ocean this week, including two "flattops" ...