LOS ANGELES, CA - APRIL 14:  Ned Field, US Geological Survey Geophysicists, speaks near a map comparing relative earthquake threat as representatives of the Southern California Earthquake Center, the US Geological Survey, and the California Geologic Survey present new statewide earthquake probabilities for California at a press conference on April 14, 2008 in Los Angeles, California. The Uniform California Earthquake Rupture Forecast makes comparisons between hazards in the San Francisco Bay area and Los Angeles, and compares major California fault lines. The information presented will be used for building codes, emergency planning efforts, and insurance rates throughout the state. Getty Images logo Getty Images 20 months ago

LOS ANGELES, CA - APRIL 14: Ned Field, US Geological Survey Geophysicists, speaks near a map comparing relative earthquake threat as representatives of the Southern California Earthquake Center, the US Geological Survey, and the California Geologic Survey present new statewide earthquake probabilities for California at a press conference on April 14, 2008 in Los Angeles, California. The Uniform California Earthquake Rupture Forecast makes comparisons between hazards in the San Francisco Bay area and Los Angeles, and compares major California fault lines. The information presented will be used for building codes, emergency planning efforts, and insurance rates throughout the state.