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 #3: 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 2:04:03 AM (PST) on Friday, December 12, 2025.
The magnitude 1.1 event occurred 7 km (4 miles) ESE of Piru, CA.
The hypocentral depth is 15 km (10 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Friday, December 12, 2025 at 2:04:03 AM (PST) Friday, December 12, 2025 at 10:04:03 (UTC) |
| Distance from |
Piru, CA - 7 km (4 miles) ESE (123 degrees) Simi Valley, CA - 12 km (8 miles) N (4 degrees) Castaic, CA - 16 km (10 miles) SW (220 degrees) Valencia, CA - 17 km (10 miles) WSW (241 degrees) Fillmore, CA - 17 km (11 miles) E (97 degrees) |
| Coordinates | 34 deg. 22.9 min. N (34.381N), 118 deg. 43.8 min. W (118.731W) |
| Depth | 15.27 km (9.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=43, Nph=70, Dmin=7.9 km, Rmss=0.23 sec, Erho=0.24 km, Erzz=0.51 km, Gp=45 degrees |
| Event ID# | ci41350240 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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