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 4:52:51 PM (PDT) on Tuesday, July 20, 2021.
The magnitude 1.4 event occurred 29 km (18 miles) N of Yucca Valley, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Tuesday, July 20, 2021 at 4:52:51 PM (PDT)
Tuesday, July 20, 2021 at 23:52:51 (UTC)
Distance from Yucca Valley, CA - 29 km (18 miles) N (357 degrees)
Joshua Tree, CA - 30 km (19 miles) NNW (335 degrees)
Big Bear City, CA - 38 km (24 miles) ENE (70 degrees)
Morongo Valley, CA - 39 km (24 miles) NNE (18 degrees)
Twentynine Palms, CA - 44 km (27 miles) NW (308 degrees)
Coordinates 34 deg. 22.7 min. N (34.378N), 116 deg. 27.0 min. W (116.451W)
Depth 9.16 km (5.7 miles)
Quality Good
Location Quality Parameters Nst=27, Nph=30, Dmin=11.5 km, Rmss=0.14 sec, Erho=0.31 km, Erzz=0.55 km, Gp=74 degrees
Event ID# ci39747855
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