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 2:23:29 AM (PDT) on Sunday, September 21, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) ESE of Warner Springs, CA.
The hypocentral depth is 17 km (11 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Sunday, September 21, 2025 at 2:23:29 AM (PDT) Sunday, September 21, 2025 at 9:23:29 (UTC) |
| Distance from |
Warner Springs, CA - 3 km (2 miles) ESE (121 degrees) Lake Henshaw, CA - 15 km (9 miles) ENE (78 degrees) Julian, CA - 21 km (13 miles) N (359 degrees) Borrego Springs, CA - 22 km (13 miles) W (274 degrees) Palomar Observatory, CA - 26 km (16 miles) ESE (112 degrees) |
| Coordinates | 33 deg. 16.1 min. N (33.269N), 116 deg. 36.4 min. W (116.606W) |
| Depth | 17.09 km (10.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=56, Nph=106, Dmin=8.6 km, Rmss=0.2 sec, Erho=0.17 km, Erzz=0.43 km, Gp=23 degrees |
| Event ID# | ci40447458 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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