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

A micro earthquake earthquake occurred at 5:59:26 PM (PDT) on Thursday, September 9, 2021.
The magnitude -0.4 event occurred 22 km (14 miles) N (5 degrees) of Ridgecrest, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude -0.4 - local magnitude (Ml)
Time Thursday, September 9, 2021 at 5:59:26 PM (PDT)
Friday, September 10, 2021 at 0:59:26 (UTC)
Distance from Ridgecrest, CA - 22 km (14 miles) N (5 degrees)
Searles Valley, CA - 23 km (15 miles) WNW (284 degrees)
Inyokern, CA - 24 km (15 miles) NE (37 degrees)
Little Lake, CA - 26 km (16 miles) ESE (120 degrees)
Trona, CA - 26 km (16 miles) WNW (283 degrees)
Coordinates 35 deg. 49.0 min. N (35.817N), 117 deg. 39.3 min. W (117.656W)
Depth 6.54 km (4.1 miles)
Quality Fair
Location Quality Parameters Nst=4, Nph=8, Dmin=5.3 km, Rmss=0.04 sec, Erho=0.54 km, Erzz=0.69 km, Gp=269 degrees
Event ID# ci37351804
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