The risk of flooding from a major tsunami may be greater than many realized along California’s coastline, state officials reported in new study.

Our guide on how to prepare for a tsunami alert as this year's Tsunami Preparedness Week approaches on March 22–30.

An 3.7 magnitude earthquake was recorded near Borrego Springs Thursday morning, according to the U.S. Geological Survey ...

More communities than previously thought could be impacted by a tsunami resulting from a large earthquake off the California ...

Interactive map from the California Geological Survey shows the destruction potential of a tsunami wave in the Golden State.

Two earthquakes have struck in California in less than 24 hours, according to reports. Sunday night, a 4.0 magnitude earthquake struck in Southern California. The earthquake, which was measured at a 3 ...

This graphic shows information on the magnitude 3.9 earthquake in the San Francisco Bay area on Monday, March 17, 2025. The earthquake's preliminary magnitude was 4.2 before it was downgraded to 3.9, ...

A 4.2 magnitude earthquake shook northern Lake County on Sunday night, with tremors felt in parts of Mendocino County, ...

A preliminary 4.2 magnitude earthquake shook in the East Bay Monday evening, according to the United States Geological Survey ...

The earthquake, measuring 3.93 magnitude, struck near Los Angeles, California, on Sunday night, and was felt in parts of ...

An earthquake in Lake County Sunday evening was felt in parts of Sonoma and Mendocino counties. According to the United States Geological Survey (USGS), a 4.2 magnitude earthquake ...