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

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

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

The updated maps — released to coincide with California's Tsunami Preparedness Week that starts March 22 — use new data and improved computer modeling to show how far inland a surge of ...

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

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

Residents in coastal areas are urged to familiarize themselves with evacuation routes and be prepared to move inland quickly in the event of a tsunami warning. The California Geological Survey ...

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 ...

Tsunami warning issued after strong 7.1 magnitude earthquake hits near Pacific island country of Tonga ...

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

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