A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

Alameda County. In a worst-case tsunami, sizeable areas of Alameda, Oakland, and Berkeley could be flooded up to an 18-foot elevation. The Tsunami Hazard Area is extended inland by 4 or 5 blocks ...

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 ...

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 ...

The updates to California’s tsunami hazard areas followed a devastating tsunami in Japan in 2011, which was triggered by a magnitude 9.1 earthquake off the country’s eastern shore.

The Big One. Those three words are common parlance for any Californian. Say it to anyone, and they’ll know what you’re talking about. What is it exactly?

The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation possible from extreme-but-realistic scenarios.

In Northern California this month, a tsunami warning was issued for a coastal zone stretching about 600 miles along the Pacific Ocean within five minutes of the earthquake.

A major tsunami could swamp significant swaths of the Northern California coastline, according to hazard maps reviewed by The Times, making it vital for residents to know whether they live in an ...

In San Francisco, a tsunami triggered by a large earthquake in Alaska would take approximately five hours to reach the city of over 800,000 residents, the 2021 maps showed.