A solar flare is heading toward Earth, causing potential radio blackouts, especially for aviation and emergency services.

Some Southern California Edison customers living in high-risk fire areas may have their power turned off amid a Red Flag ...

The National Weather Service issued an updated tornado warning at 9:48 a.m. on Tuesday in effect until 10:30 a.m. for Hale ...

San Francisco Bay Area residents received a rare tsunami warning on Thursday when a powerful 7.0-magnitude earthquake struck ...

Given the size and location of Thursday’s earthquake, federal officials took a “better safe than sorry” approach ...

A powerful earthquake offshore from Eureka, California Thursday morning has prompted tsunami alerts stretching from Oregon to ...

Balloon launches from around the world are part of a new kind of global alarm system: One that can detect if another country ...

A tsunami warning was issued for the coastal regions of Oregon and California following a preliminary magnitude 7.3 ...

Northern California has been rocked by a magnitude 6.6 earthquake. The U.S. Geological Survey reported that the tremor hit ...

Citizens of California and Oregon are being urged to prepare for a potential Tsunami after a magnitude earthquake of 7.3 on ...

San Francisco is no longer under a tsunami warning after a magnitude-7.0 earthquake struck off the coast of Humboldt County ...

A 7.0-magnitude earthquake off the California coast briefly triggered a tsunami warning for parts of Northern California and ...