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

A micro earthquake occurred at 9:24:25 AM (PDT) on Thursday, July 22, 2021.
The magnitude 1.2 event occurred 2 km (1 miles) NNW of Muscoy, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Thursday, July 22, 2021 at 9:24:25 AM (PDT)
Thursday, July 22, 2021 at 16:24:25 (UTC)
Distance from Muscoy, CA - 2 km (1 miles) NNW (327 degrees)
Rialto, CA - 7 km (4 miles) NNE (12 degrees)
San Bernardino, CA - 7 km (4 miles) NW (307 degrees)
Devore, CA - 7 km (5 miles) SE (144 degrees)
Crestline, CA - 10 km (6 miles) SW (217 degrees)
Coordinates 34 deg. 10.0 min. N (34.167N), 117 deg. 21.3 min. W (117.355W)
Depth 3.44 km (2.1 miles)
Quality Good
Location Quality Parameters Nst=25, Nph=47, Dmin=4.4 km, Rmss=0.17 sec, Erho=0.21 km, Erzz=0.61 km, Gp=88 degrees
Event ID# ci39749839
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