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L.A. County supervisors seek more information on tsunami warning system

March 29, 2011 |  8:17 pm

Los Angeles County supervisors are requesting more information on creating an emergency siren system along the coast to warn the public about incoming tsunamis.

The supervisors voted unanimously Tuesday ask the county Office of Emergency Management about the feasibility of developing a tsunami emergency siren warning system. Crescent City, Calif., near the Oregon border, which has a history of damage from tsunamis, had tsunami sirens sound on March 11, hours before the first damaging waves generated by the magnitude 9 earthquake in Japan hit the harbor.

Experts say Southern California could see significant tsunamis caused by a quake off Alaska or by undersea landslides spurred by earthquakes off California’s shore.

John Orcutt, a geophysics professor at Scripps Institution of Oceanography at UC San Diego, has previously told The Times that people on beaches or living near the coastline should immediately head to higher ground after an earthquake as a precaution against tsunamis.

Other municipalities are reviewing tsunami warning systems after the March 11 tsunami, which caused $44 million in damage in California, mostly in Crescent City and Santa Cruz harbors.

The Santa Barbara County Office of Emergency Services said Friday that it was installing 150 signs warning beach and coast visitors that they were entering a tsunami hazard zone.


Tsunami spawned by Japan's quake smacks California and Oregon

Tsunami advisory enters second day in California; boats, docks damaged in Ventura Harbor

-- Rong-Gong Lin II reporting from the Los Angeles County Hall of Administration