The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation ...

The risk of flooding from a major tsunami may be greater than many realized along Monterey County's coastline, California ...

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

As California officially observes Tsunami Preparedness Week this week, one of the most vulnerable communities in the state is ...

San Mateo County launched its new Tsunami Hazard Area Dashboard on Monday as part of a broader effort to better prepare for ...

The Valdivian Earthquake, or the Great Chilean Earthquake, is the largest on record. It measured in at a magnitude of 9.5.

Roaring Sound: A loud, roaring noise from the ocean can indicate an incoming tsunami. Rapid Flooding: If you see water rapidly rising or a wall of water approaching, it is time to evacuate.

A tsunami warning has been lifted for Tonga after a strong 7.1 magnitude earthquake struck near the Pacific Island country.

A strong 7.0 magnitude earthquake has hit near the Pacific nation of Tonga and an initial tsunami warning was lifted hours ...

Powerful waves set in motion by the magnitude-9.0 quake that struck Japan on March 11, 2011, damaged the harbor in Crescent City, California. Myung J. Chun Facebook ...