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 5:54:00 PM (PDT) on Thursday, September 25, 2025.
The magnitude 1.3 event occurred 13 km (8 miles) N of Castaic, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Thursday, September 25, 2025 at 5:54:00 PM (PDT) Friday, September 26, 2025 at 0:54:00 (UTC) |
| Distance from |
Castaic, CA - 13 km (8 miles) N (354 degrees) Valencia, CA - 18 km (11 miles) NNW (340 degrees) Neenach, CA - 19 km (12 miles) S (188 degrees) Lake Hughes, CA - 19 km (12 miles) WSW (246 degrees) Santa Clarita, CA - 24 km (15 miles) NNW (330 degrees) |
| Coordinates | 34 deg. 36.3 min. N (34.605N), 118 deg. 38.2 min. W (118.637W) |
| Depth | 8.55 km (5.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=42, Nph=73, Dmin=8.0 km, Rmss=0.23 sec, Erho=0.22 km, Erzz=0.68 km, Gp=34 degrees |
| Event ID# | ci41097911 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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