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 California’s coastline, state officials ...

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 ...

A strong 7.1 magnitude earthquake hit near Tonga, prompting an initial tsunami warning that was later lifted for the Pacific ...

There is a reason why California chooses the last week in March to focus on tsunamis. It marks our worst historic tsunami ...

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

The maps, updated with new data and modeling, show the potential inland reach of a tsunami in a worst-case scenario. Areas of concern include Alameda, Monterey, and San Mateo counties, where ...

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.

This week, it makes far more sense to test an aspect of our tsunami system that didn’t perform very well last December — who ...

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