Magnitude 5.5 - CENTRAL CALIFORNIA

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2004 September 18 23:02:17 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.5
Date-Time
  • Saturday, September 18, 2004 at 23:02:17 UTC
  • Saturday, September 18, 2004 at 04:02:17 PM at epicenter
Location38.009°N, 118.679°W
Depth7.6 km (4.7 miles)
RegionCENTRAL CALIFORNIA
Distances
50 km (30 miles) NNE of Mammoth Lakes, California
55 km (35 miles) ESE of Bridgeport, California
195 km (120 miles) SSE of Reno, Nevada
255 km (160 miles) ESE of SACRAMENTO, California
Location Uncertaintyhorizontal +/- 0.2 km (0.1 miles); depth +/- 1.7 km (1.1 miles)
ParametersNST=250, Nph=250, Dmin=10 km, Rmss=0.08 sec, Gp= 72°,
M-type=regional moment magnitude (Mw), Version=3
Source
Event IDnc51146343
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Additional Information