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 5:15:43 PM (PDT) on Monday, September 13, 2021.
The magnitude 1.0 event occurred 12 km (8 miles) ENE (62 degrees) of Ridgecrest, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Monday, September 13, 2021 at 5:15:43 PM (PDT)
Tuesday, September 14, 2021 at 0:15:43 (UTC)
Distance from Ridgecrest, CA - 12 km (8 miles) ENE (62 degrees)
Searles Valley, CA - 17 km (11 miles) SW (232 degrees)
Trona, CA - 19 km (12 miles) WSW (237 degrees)
Inyokern, CA - 23 km (14 miles) E (83 degrees)
Johannesburg, CA - 34 km (21 miles) NNE (12 degrees)
Coordinates 35 deg. 40.3 min. N (35.671N), 117 deg. 33.4 min. W (117.557W)
Depth 3.2 km (2.0 miles)
Quality Good
Location Quality Parameters Nst=22, Nph=30, Dmin=9.8 km, Rmss=0.1 sec, Erho=0.16 km, Erzz=0.4 km, Gp=79 degrees
Event ID# ci39807607
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