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 9:05:57 AM (PDT) on Sunday, September 21, 2025.
The magnitude 0.8 event occurred 13 km (8 miles) NE (45 degrees) of Ridgecrest, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Sunday, September 21, 2025 at 9:05:57 AM (PDT) Sunday, September 21, 2025 at 16:05:57 (UTC) |
| Distance from |
Ridgecrest, CA - 13 km (8 miles) NE (45 degrees) Searles Valley, CA - 17 km (10 miles) WSW (245 degrees) Trona, CA - 18 km (11 miles) WSW (249 degrees) Inyokern, CA - 23 km (14 miles) ENE (73 degrees) Johannesburg, CA - 37 km (23 miles) N (9 degrees) |
| Coordinates | 35 deg. 42.3 min. N (35.706N), 117 deg. 34.2 min. W (117.570W) |
| Depth | 9.12 km (5.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=29, Nph=50, Dmin=12.5 km, Rmss=0.15 sec, Erho=0.2 km, Erzz=0.63 km, Gp=43 degrees |
| Event ID# | ci40447570 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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