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 11:07:14 PM (PDT) on Wednesday, April 7, 2021.
The magnitude 1.8 event occurred 21 km (13 miles) NNW of Borrego Springs, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.8 - local magnitude (Ml)
Time Wednesday, April 7, 2021 at 11:07:14 PM (PDT)
Thursday, April 8, 2021 at 6:07:14 (UTC)
Distance from Borrego Springs, CA - 21 km (13 miles) NNW (343 degrees)
Warner Springs, CA - 25 km (15 miles) NE (46 degrees)
Anza, CA - 25 km (16 miles) ESE (121 degrees)
La Quinta, CA - 28 km (17 miles) SSW (206 degrees)
Palm Desert, CA - 32 km (20 miles) S (191 degrees)
Coordinates 33 deg. 26.2 min. N (33.437N), 116 deg. 26.5 min. W (116.441W)
Depth 6.49 km (4.0 miles)
Quality Good
Location Quality Parameters Nst=75, Nph=139, Dmin=9.7 km, Rmss=0.19 sec, Erho=0.14 km, Erzz=0.41 km, Gp=38 degrees
Event ID# ci39843096
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