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

A micro earthquake occurred at 8:43:07 PM (PDT) on Sunday, July 18, 2021.
The magnitude 1.0 event occurred 20 km (12 miles) NNE (29 degrees) of Pine Valley, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Sunday, July 18, 2021 at 8:43:07 PM (PDT)
Monday, July 19, 2021 at 3:43:07 (UTC)
Distance from Pine Valley, CA - 20 km (12 miles) NNE (29 degrees)
Julian, CA - 20 km (12 miles) SE (125 degrees)
Borrego Springs, CA - 32 km (20 miles) S (189 degrees)
Ocotillo Wells, CA - 33 km (21 miles) SW (236 degrees)
San Diego Country Estates, CA - 34 km (21 miles) E (96 degrees)
Coordinates 32 deg. 58.5 min. N (32.975N), 116 deg. 25.6 min. W (116.426W)
Depth 11.43 km (7.1 miles)
Quality Good
Location Quality Parameters Nst=30, Nph=37, Dmin=11.7 km, Rmss=0.2 sec, Erho=0.3 km, Erzz=0.86 km, Gp=79 degrees
Event ID# ci39745327
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