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 4:56:40 PM (PST) on Thursday, November 20, 2025.
The magnitude 0.4 event occurred 15 km (9 miles) SE of Anza, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Thursday, November 20, 2025 at 4:56:40 PM (PST) Friday, November 21, 2025 at 0:56:40 (UTC) |
| Distance from |
Anza, CA - 15 km (9 miles) SE (138 degrees) Warner Springs, CA - 20 km (13 miles) NNE (18 degrees) Aguanga, CA - 28 km (17 miles) E (87 degrees) Borrego Springs, CA - 28 km (18 miles) NW (321 degrees) Palomar Observatory, CA - 30 km (19 miles) ENE (68 degrees) |
| Coordinates | 33 deg. 27.2 min. N (33.454N), 116 deg. 33.9 min. W (116.565W) |
| Depth | 12.55 km (7.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=19, Nph=33, Dmin=5.7 km, Rmss=0.1 sec, Erho=0.2 km, Erzz=0.4 km, Gp=69 degrees |
| Event ID# | ci41125239 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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