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 8:57:47 PM (PDT) on Wednesday, April 7, 2021.
The magnitude 2.7 event occurred 7 km (4 miles) SW of Holtville, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 2.7 - local magnitude (Ml)
Time Wednesday, April 7, 2021 at 8:57:47 PM (PDT)
Thursday, April 8, 2021 at 3:57:47 (UTC)
Distance from Holtville, CA - 7 km (4 miles) SW (233 degrees)
Heber, CA - 10 km (6 miles) ENE (60 degrees)
El Centro, CA - 11 km (7 miles) E (97 degrees)
Calexico, CA - 12 km (8 miles) NNE (29 degrees)
Mexicali, B.C., MX - 14 km (9 miles) NNE (12 degrees)
Coordinates 32 deg. 46.5 min. N (32.775N), 115 deg. 26.2 min. W (115.437W)
Depth 15.82 km (9.8 miles)
Quality Fair
Location Quality Parameters Nst=47, Nph=77, Dmin=6.6 km, Rmss=0.76 sec, Erho=0.7 km, Erzz=2 km, Gp=49 degrees
Event ID# ci39842904
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