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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:58:50 AM (PDT) on Friday, September 12, 2025.
The magnitude 1.8 event occurred 12 km (8 miles) SE of Anza, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.8 - local magnitude (Ml) |
| Time | Friday, September 12, 2025 at 4:58:50 AM (PDT) Friday, September 12, 2025 at 11:58:50 (UTC) |
| Distance from |
Anza, CA - 12 km (8 miles) SE (146 degrees) Warner Springs, CA - 20 km (13 miles) N (9 degrees) Aguanga, CA - 25 km (15 miles) E (84 degrees) Palomar Observatory, CA - 27 km (17 miles) ENE (64 degrees) Lake Henshaw, CA - 29 km (18 miles) NNE (31 degrees) |
| Coordinates | 33 deg. 27.8 min. N (33.464N), 116 deg. 36.0 min. W (116.601W) |
| Depth | 11.03 km (6.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=87, Nph=157, Dmin=3.4 km, Rmss=0.19 sec, Erho=0.13 km, Erzz=0.35 km, Gp=24 degrees |
| Event ID# | ci41289800 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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