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 4:48:44 PM (PDT) on Saturday, May 1, 2021.
The magnitude 0.9 event occurred 2 km (1 miles) E (94 degrees) of Loma Linda, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Saturday, May 1, 2021 at 4:48:44 PM (PDT)
Saturday, May 1, 2021 at 23:48:44 (UTC)
Distance from Loma Linda, CA - 2 km (1 miles) E (94 degrees)
Redlands, CA - 5 km (3 miles) W (259 degrees)
Grand Terrace, CA - 7 km (4 miles) ENE (78 degrees)
Colton, CA - 8 km (5 miles) ESE (113 degrees)
Highland, CA - 9 km (6 miles) SSW (197 degrees)
Coordinates 34 deg. 2.8 min. N (34.047N), 117 deg. 14.3 min. W (117.238W)
Depth 15.55 km (9.7 miles)
Quality Good
Location Quality Parameters Nst=20, Nph=37, Dmin=11.6 km, Rmss=0.12 sec, Erho=0.22 km, Erzz=0.33 km, Gp=112 degrees
Event ID# ci39638207
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