San Francisco’s Department of Emergency Management previously used the sirens to run weekly tests, an earsplitting ritual that could be heard throughout the city every Tuesday at 12 p.m. The ...

Longtime residents of San Francisco noticed something missing from the city's emergency response to Thursday's tsunami warning after a 7.0 magnitude earthquake off the Northern California coast ...

Thursday's tsunami warning was a real test for people living near the coast. Many did get an alert after the quake, but it turns out a critical warning system in San Francisco was not working.

The 85 outdoor warning sirens around Harris Nuclear Plant will be tested for five to 30 seconds between 10 a.m. and 11 a.m. on Wednesday, Jan. 8, as scheduled. The 85 outdoor warning sirens around ...

Analysis of Outdoor Warning Siren industry Covering 30+ Countries Including Analysis of US, Canada, UK, Germany, France, Nordics, GCC countries, Japan, Korea MD, UNITED STATES, January 14, 2025 ...