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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 10:48:25 PM (PDT) on Sunday, September 21, 2025.
The magnitude 0.6 event occurred 8 km (5 miles) WSW of Calimesa, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 0.6 - local magnitude (Ml) |
| Time | Sunday, September 21, 2025 at 10:48:25 PM (PDT) Monday, September 22, 2025 at 5:48:25 (UTC) |
| Distance from |
Calimesa, CA - 8 km (5 miles) WSW (252 degrees) Moreno Valley, CA - 10 km (6 miles) ENE (63 degrees) Mentone, CA - 11 km (7 miles) S (179 degrees) Redlands, CA - 11 km (7 miles) SSE (155 degrees) Yucaipa, CA - 11 km (7 miles) SW (228 degrees) |
| Coordinates | 33 deg. 58.0 min. N (33.967N), 117 deg. 8.0 min. W (117.133W) |
| Depth | 13.76 km (8.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=40, Nph=66, Dmin=13.4 km, Rmss=0.16 sec, Erho=0.19 km, Erzz=0.55 km, Gp=51 degrees |
| Event ID# | ci40447818 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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