A preliminary 2.7 magnitude earthquake struck near Santa Rosa, according to the United States Geological Survey.

California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

Seismic modeling powered by supercomputing is reshaping infrastructure planning, leading to smarter, more resilient designs ...

In late July to October 2022, residents of the Manu'a Islands in American Samoa felt the earth shake several times a day, raising concerns of an imminent volcanic eruption or tsunami.

An ‘earthquake swarm,’ has bombarded the state of California since February 6th every day with earthquakes ranging from M0.4 to M4.3 ...

An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.

The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.