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General Seisnvcity of Southern California
NOAAs Role and Programs
NOAAs San Fernando Earthquake Operations
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6.6 magnitude aftershock activity agencies Angeles area Angeles County Angeles the afternoon Atmospheric Administration building code California Institute Canyon collapsed Columbia University coordinated creep meters DEPARTMENT OF COMMERCE DISASTER SURVEY REPORT earth movements earthquake be undertaken earthquake epicenter Earthquake Mechanism Laboratory Earthquake of February earthquakes that release effects expected from earthquakes February 9 Federal field studies Freeway future seismic events geodetic grams Institute of Technology located magnetometer main shock major damage ment National Earthquake Information National Oceanic NATURAL DISASTER SURVEY NEIC Office Newhall NOAA NOAA's Earthquake Oceanic and Atmospheric Olive View Hospital programs quake release greater amounts San Andreas Fault San Fernando earth San Fernando earthquake San Fernando Valley San Francisco School Scismological seismographs seismologists somc Southern California Special Projects Party square miles strong-motion records structures SURVEY REPORT 71-1 Sylmar technical tion U.S. Geological Survey U.S. Government USGS Veterans