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 10:19:24 PM (PDT) on Friday, October 17, 2025.
The magnitude 0.5 event occurred 7 km (4 miles) NW of Anza, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Friday, October 17, 2025 at 10:19:24 PM (PDT) Saturday, October 18, 2025 at 5:19:24 (UTC) |
| Distance from |
Anza, CA - 7 km (4 miles) NW (308 degrees) Idyllwild, CA - 16 km (10 miles) S (184 degrees) Aguanga, CA - 21 km (13 miles) NE (37 degrees) Valle Vista, CA - 23 km (14 miles) SE (139 degrees) Hemet, CA - 28 km (18 miles) SE (128 degrees) |
| Coordinates | 33 deg. 35.5 min. N (33.592N), 116 deg. 43.8 min. W (116.731W) |
| Depth | 12.28 km (7.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=30, Nph=50, Dmin=3.0 km, Rmss=0.16 sec, Erho=0.21 km, Erzz=0.39 km, Gp=47 degrees |
| Event ID# | ci41110559 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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