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 2:06:43 AM (PST) on Tuesday, November 11, 2025.
The magnitude 1.0 event occurred 15 km (10 miles) W of Johannesburg, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Tuesday, November 11, 2025 at 2:06:43 AM (PST)
Tuesday, November 11, 2025 at 10:06:43 (UTC)
Distance from Johannesburg, CA - 15 km (10 miles) W (265 degrees)
California City, CA - 31 km (19 miles) NNE (32 degrees)
Ridgecrest, CA - 31 km (19 miles) SSW (202 degrees)
Inyokern, CA - 32 km (20 miles) S (179 degrees)
Boron, CA - 43 km (26 miles) NNW (341 degrees)
Coordinates 35 deg. 21.6 min. N (35.360N), 117 deg. 48.2 min. W (117.804W)
Depth 7.24 km (4.50 miles)
Quality Good
Location Quality Parameters Nst=37, Nph=67, Dmin=11.0 km, Rmss=0.17 sec, Erho=0.18 km, Erzz=0.71 km, Gp=72 degrees
Event ID# ci40483682
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