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 8:48:11 PM (PDT) on Wednesday, July 21, 2021.
The magnitude 2.9 event occurred 8 km (5 miles) W of Holtville, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 2.9 - local magnitude (Ml)
Time Wednesday, July 21, 2021 at 8:48:11 PM (PDT)
Thursday, July 22, 2021 at 3:48:11 (UTC)
Distance from Holtville, CA - 8 km (5 miles) W (272 degrees)
El Centro, CA - 9 km (6 miles) ENE (72 degrees)
Imperial, CA - 11 km (7 miles) ESE (111 degrees)
Heber, CA - 11 km (7 miles) NE (34 degrees)
Calexico, CA - 15 km (10 miles) NNE (12 degrees)
Coordinates 32 deg. 48.8 min. N (32.813N), 115 deg. 27.9 min. W (115.464W)
Depth 11.27 km (7.0 miles)
Quality Fair
Location Quality Parameters Nst=49, Nph=119, Dmin=7.1 km, Rmss=1.22 sec, Erho=0.8 km, Erzz=2 km, Gp=29 degrees
Event ID# ci39749135
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