Magnitude 4.2 - SAN FRANCISCO BAY AREA, CALIFORNIA

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2007 July 20 11:42:22 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude4.2
Date-Time
  • Friday, July 20, 2007 at 11:42:22 UTC
  • Friday, July 20, 2007 at 04:42:22 AM at epicenter
Location37.807°N, 122.188°W
Depth5.8 km (3.6 miles)
RegionSAN FRANCISCO BAY AREA, CALIFORNIA
DistancesNEAR Oakland, California
20 km (10 miles) SE of Richmond, California
20 km (15 miles) E of San Francisco, California
105 km (65 miles) SW of SACRAMENTO, California
Location Uncertaintyhorizontal +/- 0.1 km (0.1 miles); depth +/- 0.3 km (0.2 miles)
ParametersNST=226, Nph=226, Dmin=3 km, Rmss=0.12 sec, Gp= 32°,
M-type=regional moment magnitude (Mw), Version=3
Source
Event IDnc40199209
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