Tsunami threat real in the Bay Area

Tsunami sign in San Francisco
Mark Prado
Tsunami sign in San Francisco.

Last month saw Tsunami Preparedness Week and officials want people to get informed about potential dangers. The state Office of Emergency Services has a established a site for residents.

The state has a map that shows the potential impact county by county. It also has a page on tsunami preparedness.

More than 100 tsunamis have hit California’s coast since 1800, state officials note. In March 1964 a 9.2 magnitude earthquake in Alaska sent a tsunami surging south, causing damage along the California Coast. 

Although the San Andreas Fault runs through part of the Bay Area, it poses only a small tsunami danger because it slips from side to side, not up and down. It’s the up and down motion that causes the massive waves, experts say.






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