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 8:25:10 AM (PDT) on Tuesday, October 21, 2025.
The magnitude 0.5 event occurred 14 km (9 miles) NE (43 degrees) of Ridgecrest, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Tuesday, October 21, 2025 at 8:25:10 AM (PDT) Tuesday, October 21, 2025 at 15:25:10 (UTC) |
| Distance from |
Ridgecrest, CA - 14 km (9 miles) NE (43 degrees) Searles Valley, CA - 16 km (10 miles) WSW (248 degrees) Trona, CA - 18 km (11 miles) WSW (252 degrees) Inyokern, CA - 23 km (14 miles) ENE (71 degrees) Johannesburg, CA - 38 km (24 miles) N (9 degrees) |
| Coordinates | 35 deg. 42.8 min. N (35.714N), 117 deg. 34.1 min. W (117.568W) |
| Depth | 7.40 km (4.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=30, Dmin=11.6 km, Rmss=0.11 sec, Erho=0.2 km, Erzz=0.68 km, Gp=84 degrees |
| Event ID# | ci41112263 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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