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 10:19:05 AM (PDT) on Wednesday, July 19, 2023.
The magnitude 1.7 event occurred 16 km (10 miles) WNW of Johannesburg, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.7 - local magnitude (Ml)
Time Wednesday, July 19, 2023 at 10:19:05 AM (PDT)
Wednesday, July 19, 2023 at 17:19:05 (UTC)
Distance from Johannesburg, CA - 16 km (10 miles) WNW (284 degrees)
Ridgecrest, CA - 26 km (16 miles) SSW (206 degrees)
Inyokern, CA - 27 km (17 miles) S (178 degrees)
California City, CA - 35 km (22 miles) NNE (28 degrees)
Boron, CA - 47 km (29 miles) NNW (343 degrees)
Coordinates 35 deg. 24.4 min. N (35.406N), 117 deg. 48.1 min. W (117.802W)
Depth 10.29 km (6.4 miles)
Quality Good
Location Quality Parameters Nst=26, Nph=37, Dmin=13.6 km, Rmss=0.16 sec, Erho=0.24 km, Erzz=0.58 km, Gp=44 degrees
Event ID# ci39616474
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