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 3:58:23 AM (PDT) on Thursday, October 16, 2025.
The magnitude 0.8 event occurred 4 km (3 miles) E (91 degrees) of March Air Reserve Base, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Thursday, October 16, 2025 at 3:58:23 AM (PDT) Thursday, October 16, 2025 at 10:58:23 (UTC) |
| Distance from |
March Air Reserve Base, CA - 4 km (3 miles) E (91 degrees) Moreno Valley, CA - 4 km (3 miles) SSE (162 degrees) Mead Valley, CA - 10 km (6 miles) NE (49 degrees) Nuevo, CA - 12 km (7 miles) NNW (328 degrees) Perris, CA - 12 km (8 miles) N (6 degrees) |
| Coordinates | 33 deg. 53.5 min. N (33.891N), 117 deg. 12.9 min. W (117.215W) |
| Depth | 13.29 km (8.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=34, Nph=60, Dmin=3.4 km, Rmss=0.2 sec, Erho=0.23 km, Erzz=0.68 km, Gp=65 degrees |
| Event ID# | ci41108919 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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