Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s ...

The tsunami advisory wouldn't have triggered SF emergency sirens, but why do they remain silent? San Francisco's emergency outdoor alert system sirens have been in place since the 1950s, but were ...

SAN FRANCISCO (CBS SF/AP) -- An undersea volcano erupted in spectacular fashion near the Pacific nation of Tonga on Saturday, sending tsunami waves rolling thousands of miles across the Pacific ...

The San Francisco Zoo began moving its animals and staff to higher ground, while the Bay Area's BART metro system temporarily ...

San Francisco's Department of Emergency Management previously used the sirens to run weekly tests at noon on Tuesdays. SF's emergency sirens were silent for a tsunami warning. Will they ever turn ...

New interactive hazard maps released online provide an updated look at just how much of the region could be inundated were a major once-in-a-lifetime catastrophe to strike. San Francisco County ...

While December 2024 may feel like a lifetime ago at this stage, it was only a little over three months ago that a magnitude 7.0 earthquake off the coast of Humboldt County triggered a widespread ...

Mad chaos as San Francisco scrambled for a tsunami that never came. As their phones blew up with disaster warnings, some Bay Area residents ran for the hills – while others faced death with a shrug.

Those findings were based on how, in 1964, a 9.2-magnitude earthquake in Alaska sent a tsunami toward California and did heavy damage along the coast near San Francisco.