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 3:30:53 AM (PDT) on Tuesday, October 21, 2025.
The magnitude 1.0 event occurred 13 km (8 miles) NE (50 degrees) of Coso Junction, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Tuesday, October 21, 2025 at 3:30:53 AM (PDT) Tuesday, October 21, 2025 at 10:30:53 (UTC) |
| Distance from |
Coso Junction, CA - 13 km (8 miles) NE (50 degrees) Little Lake, CA - 22 km (13 miles) NNE (17 degrees) Olancha, CA - 23 km (15 miles) SE (139 degrees) Inyokern, CA - 53 km (33 miles) N (358 degrees) Searles Valley, CA - 55 km (34 miles) NW (316 degrees) |
| Coordinates | 36 deg. 7.4 min. N (36.123N), 117 deg. 50.1 min. W (117.835W) |
| Depth | 7.15 km (4.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=25, Nph=43, Dmin=1.9 km, Rmss=0.14 sec, Erho=0.2 km, Erzz=0.36 km, Gp=49 degrees |
| Event ID# | ci41112143 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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