Magnitude 5.3 near Humboldt Hill, CA
Friday, August 15, 2003 at 2:22:12 AM (PDT)
Preliminary Earthquake Report
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Shake Map
Preliminary map of shaking intensity based on measurements by seismic networks.
Usually available within 5 minutes after the earthquake.
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Report shaking and damage at your location.
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map displaying accumulated data from your report and others.
Waveforms
Entire waveform for this event
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More distant stations
Earthquakes: Frequently Asked Questions
Preliminary Earthquake Report
USGS, Menlo Park, CA
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory,
Berkeley, California