Diagram of Land Uplift in Southern California from U.S. Geological Survey Press Release

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LAND UPLIFT IN SOUTHERN CALIFORNIA LINE OF EQUAL ELEVATION CHANGE CARLOCK FAULT CONTOUR INTERVAL 0.05M 0J0 E-1906 BREAK 1857 BREAK aos +0.00 LOS Pacific ANGELES Ocean Uplifts also preceded 1971 San Fernando quake and several foreign earthquakes. Lies at south end of surface faulting from magnitude 8 earthquake in 1857. Could be precursor, but few other data are available for confirmation. Further intensive studies warranted. BERALO