Magnitude 5.3 near Humboldt Hill, CA

Friday, August 15, 2003 at 2:22:12 AM (PDT)

Preliminary Earthquake Report

Magnitude 5.3 Time Friday, August 15, 2003 at 9:22:12 (UTC) Friday, August 15, 2003 at 2:22:12 AM (PDT) Distance from 120 km (75 miles) WNW (284 degrees) of Humboldt Hill, CA 121 km (75 miles) WNW (282 degrees) of Bayview, CA 121 km (75 miles) WNW (292 degrees) of Ferndale, CA 375 km (233 miles) NW (320 degrees) of Santa Rosa, CA Coordinates 40 deg. 59.0 min. N (40.984N) 125 deg. 35.8 min. W (125.596W) Depth 3.7 km (2.3 miles) Quality Poor

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Preliminary Earthquake Report
USGS, Menlo Park, CA
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory,
Berkeley, California