San Francisco Tests Digital Public Alert and Warning System
Tuesday, March 29, 2016 | Comments

San Francisco communities that have signed up for AlertSF will receive a test Tsunami Week email message March 29 at noon to remind them what to do during a tsunami, the FCC announced.

AlertSF is a text-based notification system for San Francisco's residents and visitors. AlertSF sends alerts regarding emergencies disrupting vehicular/pedestrian traffic, watches and warnings for tsunamis, flooding and citywide post-disaster information to registered wireless devices and email accounts. There are more than 50,000 registered AlertSF users.

National Tsunami Preparedness Week is March 27 – April 2. Tsunamis, although infrequent, are the result of large earthquakes that create dangerous waves and flooding that can last for hours. San Francisco’s tsunami inundation zone includes areas along the Pacific Ocean and San Francisco Bay. If you live in an area in the inundation zone, have a plan to go inland and to higher ground if a tsunami is coming.

People can sign up for AlertSF by visiting or by texting the word “alertsf” to 888-777.

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