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

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

Vallejo has a few areas classified as moderate severity zones, with no areas designated as high or very high fire hazard severity, officials said. As a result, no changes are required for existing ...

Armed with tech billions, Jan Sramek has dreams of creating a new, affordable, walkable city. If, that is, California lets him.

Steel, granite, and four floors of white marble interiors make up San Francisco's symbol of resilience, built after the previous City Hall was destroyed in the Great Earthquake and Fire of April 18, ...

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

Multiple earthquakes have rattled the United States over the last week, including one with a 5.0 magnitude in Alaska that was ...

At Mount St. Helens, volcano monitoring and trail maintenance efforts are set to degrade without help from federal agencies.

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

California has been rocked by a 4.6 magnitude earthquake that hit on the San Andreas Fault. Experts fear this fault could ...