Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:48:10 PM (PDT) on Wednesday, April 7, 2021.
The magnitude 2.1 event occurred 1 km (1 miles) N of Muscoy, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 2.1 - local magnitude (Ml)
Time Wednesday, April 7, 2021 at 10:48:10 PM (PDT)
Thursday, April 8, 2021 at 5:48:10 (UTC)
Distance from Muscoy, CA - 1 km (1 miles) N (356 degrees)
San Bernardino, CA - 6 km (4 miles) NW (311 degrees)
Rialto, CA - 7 km (4 miles) NNE (19 degrees)
Devore, CA - 8 km (5 miles) SE (139 degrees)
Crestline, CA - 10 km (6 miles) SW (214 degrees)
Coordinates 34 deg. 10.0 min. N (34.167N), 117 deg. 20.7 min. W (117.345W)
Depth 5.79 km (3.6 miles)
Quality Good
Location Quality Parameters Nst=100, Nph=188, Dmin=4.7 km, Rmss=0.17 sec, Erho=0.1 km, Erzz=0.31 km, Gp=45 degrees
Event ID# ci39843064
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