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 10:11:30 PM (PDT) on Friday, October 17, 2025.
The magnitude 0.5 event occurred 5 km (3 miles) N of Piru, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Friday, October 17, 2025 at 10:11:30 PM (PDT) Saturday, October 18, 2025 at 5:11:30 (UTC) |
| Distance from |
Piru, CA - 5 km (3 miles) N (350 degrees) Fillmore, CA - 13 km (8 miles) NE (55 degrees) Castaic, CA - 17 km (10 miles) W (260 degrees) Moorpark, CA - 21 km (13 miles) NNE (20 degrees) Valencia, CA - 21 km (13 miles) W (273 degrees) |
| Coordinates | 34 deg. 27.8 min. N (34.464N), 118 deg. 48.3 min. W (118.805W) |
| Depth | 10.11 km (6.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=16, Dmin=10.5 km, Rmss=0.17 sec, Erho=0.43 km, Erzz=1.07 km, Gp=127 degrees |
| Event ID# | ci41110543 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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