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 #3: 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 3:28:46 PM (PDT) on Sunday, August 31, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) ENE (72 degrees) of Moreno Valley, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Sunday, August 31, 2025 at 3:28:46 PM (PDT) Sunday, August 31, 2025 at 22:28:46 (UTC) |
| Distance from |
Moreno Valley, CA - 3 km (2 miles) ENE (72 degrees) March Air Reserve Base, CA - 8 km (5 miles) NE (52 degrees) Redlands, CA - 14 km (8 miles) S (186 degrees) Mead Valley, CA - 14 km (9 miles) NE (39 degrees) Loma Linda, CA - 14 km (9 miles) SSE (156 degrees) |
| Coordinates | 33 deg. 56.1 min. N (33.934N), 117 deg. 12.0 min. W (117.199W) |
| Depth | 13.23 km (8.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=22, Nph=39, Dmin=2.8 km, Rmss=0.14 sec, Erho=0.23 km, Erzz=0.38 km, Gp=90 degrees |
| Event ID# | ci41280312 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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