That would provide an extensive warning—six hours for L.A. and five hours for San Francisco—but could produce the highest level of inundation for large swaths of the state.

An expansive tsunami warning arrived minutes later — sending alarms blaring on the cellphones of Californians from the North Coast through the San Francisco Bay Area, including Oakland, Berkeley ...

These are failures of technology—messages sent but not received, or messages received by the wrong people. But they are also ...

The San Francisco earthquake of 1906, which did cause a tsunami, is thought to have killed upwards of 3,000 people, some of whom died in fires that erupted after the powerful tremor.

In a rare interview after the Musk-Trump row, Silicon Valley founder Philip Low predicts his former friend will seek ...

Emergency responders from across the Bay Area convened in Redwood City on Wednesday to try to improve natural disaster alerts ...

The San Francisco Police Department was unable to confirm the arrests when reached by SFGATE. A local advocacy group, however, confirmed four arrests by the afternoon.

Autonomous vehicle firm Waymo said it has curtailed its robotaxi service in San Francisco following immigration enforcement protests in the city's Financial District Sunday evening, which led to ...

Discover the hidden gems and untold stories of San Francisco International Airport (SFO), which serves over 50 million ...

Hundreds marched again in San Francisco to protest the ongoing ICE raids in California, the second day of largely peaceful protests marred by incidents of violence and arrests.

More information: Katsuichiro Goda et al, Effect of calibration data on performance of tsunami early warning model, Coastal Engineering Journal (2025). DOI: 10.1080/21664250.2025.2516324 ...