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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 1:14:36 AM (PDT) on Sunday, April 4, 2021.
The magnitude 1.2 event occurred 22 km (13 miles) N (9 degrees) of Ridgecrest, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Sunday, April 4, 2021 at 1:14:36 AM (PDT)
Sunday, April 4, 2021 at 8:14:36 (UTC)
Distance from Ridgecrest, CA - 22 km (13 miles) N (9 degrees)
Searles Valley, CA - 22 km (13 miles) WNW (283 degrees)
Inyokern, CA - 24 km (15 miles) NE (41 degrees)
Trona, CA - 24 km (15 miles) WNW (283 degrees)
Little Lake, CA - 28 km (17 miles) ESE (120 degrees)
Coordinates 35 deg. 48.7 min. N (35.812N), 117 deg. 38.2 min. W (117.636W)
Depth 6.23 km (3.9 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=25, Dmin=3.5 km, Rmss=0.17 sec, Erho=0.31 km, Erzz=0.73 km, Gp=59 degrees
Event ID# ci39838080
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