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PORT-AU-PRINCE, HAITI - JANUARY 14: Search and rescue workers look for the survivors trapped under the rubble of what is left of the Hotel Montana more than 50 hours after the massive earthquake destroyed the hotel January 14, 2010 in Port-au-Prince, Haiti. Planeloads of rescuers and relief supplies headed to Haiti as governments and aid agencies launched a massive relief operation after a powerful earthquake that may have killed thousands. Many buildings were reduced to rubble by the 7.0-strong quake on January 12. (Photo by Joe Raedle/Getty Images)
An earthquake of the size that flattened Haiti will one day rock this region, but the result will be vastly different, scientists said in a published report..
"Almost all of the major earthquake faults in Southern California could produce a 7.0 magnitude earthquake," said David Oglesby, an earth sciences professor and seismologist at UC Riverside.
Those include the Elsinore Fault, which lies beneath Temecula, Murrieta, Wildomar and Lake Elsinore, and the Rose Canyon Fault just off the shores of Oceanside, Carlsbad, Encinitas, Solana Beach and Del Mar, Oglesby said in a telephone interview Thursday.
And a magnitude-7 quake would give rise to the potential for a tsunami to rake the North San Diego County coast ---- that is, if the temblor were to trigger an underwater landslide, said Neal Driscoll, a professor of geology at UC San Diego's Scripps Institution of Oceanography.