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 6:41:13 AM (PDT) on Sunday, September 12, 2021.
The magnitude 0.8 event occurred 10 km (6 miles) S of Borrego Springs, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Sunday, September 12, 2021 at 6:41:13 AM (PDT)
Sunday, September 12, 2021 at 13:41:13 (UTC)
Distance from Borrego Springs, CA - 10 km (6 miles) S (180 degrees)
Ocotillo Wells, CA - 23 km (14 miles) W (277 degrees)
Julian, CA - 23 km (15 miles) ENE (65 degrees)
Warner Springs, CA - 27 km (17 miles) ESE (118 degrees)
Lake Henshaw, CA - 37 km (23 miles) ESE (103 degrees)
Coordinates 33 deg. 10.0 min. N (33.167N), 116 deg. 22.5 min. W (116.375W)
Depth 4.6 km (2.9 miles)
Quality Fair
Location Quality Parameters Nst=25, Nph=27, Dmin=11.6 km, Rmss=0.18 sec, Erho=0.32 km, Erzz=0.97 km, Gp=81 degrees
Event ID# ci39806415
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