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 12:08:39 PM (PST) on Thursday, November 20, 2025.
The magnitude 1.8 event occurred 8 km (5 miles) NW of Castaic, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.8 - local magnitude (Ml) |
| Time | Thursday, November 20, 2025 at 12:08:39 PM (PST) Thursday, November 20, 2025 at 20:08:39 (UTC) |
| Distance from |
Castaic, CA - 8 km (5 miles) NW (321 degrees) Valencia, CA - 14 km (9 miles) NW (316 degrees) Piru, CA - 18 km (11 miles) NE (37 degrees) Santa Clarita, CA - 21 km (13 miles) NW (312 degrees) Lake Hughes, CA - 26 km (16 miles) SW (235 degrees) |
| Coordinates | 34 deg. 32.6 min. N (34.543N), 118 deg. 40.5 min. W (118.676W) |
| Depth | 14.47 km (9.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=53, Nph=90, Dmin=9.1 km, Rmss=0.21 sec, Erho=0.2 km, Erzz=0.47 km, Gp=46 degrees |
| Event ID# | ci41125047 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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