Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:26:27 PM (PDT) on Sunday, April 4, 2021.
The magnitude 1.8 event occurred 51 km (32 miles) S of Hawthorne, NV.
The hypocentral depth is -0.25 km (-0.2 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Sunday, April 4, 2021 at 9:26:27 PM (PDT)
Monday, April 5, 2021 at 4:26:27 (UTC)
Distance from Hawthorne, NV - 51 km (32 miles) S (187 degrees)
Mammoth Lakes, CA - 54 km (33 miles) NNE (27 degrees)
Dixon Lane-Meadow Creek, CA - 80 km (49 miles) NNW (342 degrees)
West Bishop, CA - 81 km (51 miles) NNW (345 degrees)
Bishop, CA - 82 km (51 miles) NNW (341 degrees)
Coordinates 38 deg. 4.0 min. N (38.067N), 118 deg. 41.7 min. W (118.696W)
Depth -0.25 km (-0.2 miles)
Quality Fair
Location Quality Parameters Nst=35, Nph=36, Dmin=26.5 km, Rmss=0.07 sec, Erho=0.24 km, Erzz=2.27 km, Gp=73 degrees
Event ID# nc73545660
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