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 6:52:31 AM (PDT) on Thursday, July 22, 2021.
The magnitude 1.3 event occurred 7 km (5 miles) W of Holtville, CA.
The hypocentral depth is 12 km ( 7 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Thursday, July 22, 2021 at 6:52:31 AM (PDT)
Thursday, July 22, 2021 at 13:52:31 (UTC)
Distance from Holtville, CA - 7 km (5 miles) W (261 degrees)
El Centro, CA - 10 km (6 miles) E (81 degrees)
Heber, CA - 10 km (6 miles) NE (41 degrees)
Imperial, CA - 12 km (7 miles) ESE (116 degrees)
Calexico, CA - 14 km (9 miles) NNE (16 degrees)
Coordinates 32 deg. 48.1 min. N (32.801N), 115 deg. 27.4 min. W (115.457W)
Depth 11.81 km (7.3 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=31, Dmin=1.1 km, Rmss=0.25 sec, Erho=0.55 km, Erzz=0.58 km, Gp=100 degrees
Event ID# ci39749583
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