Information For a 4.0 Earthquake on 09/08/1977 near Healdsburg, CA

An earthquake of magnitude 4.0 and depth of 7.00 kilometers occurred 7.20 miles from Healdsburg, CA in Sonoma County at 12:28 AM.

09/08/1977 - Earthquake Incident Location
Earthquake Details
Location: 7.20 miles from Healdsburg, CA in Sonoma County, CA
Date: 09/08/1977
Time: 12:28 AM
Magnitude: 4.0 Mag
Depth: 7.00 km
More Earthquake Incidents on 09/08/1977

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Area Highlights

Natural Disasters Risk

  • Hail Risk Hail Risk is Very Low
  • Tornados Tornado Risk is Very Low
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