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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:34:38 AM (PDT) on Thursday, August 21, 2025.
The magnitude 1.1 event occurred 4 km (3 miles) NNW of Anza, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Thursday, August 21, 2025 at 11:34:38 AM (PDT) Thursday, August 21, 2025 at 18:34:38 (UTC) |
| Distance from |
Anza, CA - 4 km (3 miles) NNW (330 degrees) Idyllwild, CA - 17 km (11 miles) S (173 degrees) Aguanga, CA - 23 km (14 miles) NE (44 degrees) Valle Vista, CA - 25 km (16 miles) SE (134 degrees) Palomar Observatory, CA - 30 km (19 miles) NNE (31 degrees) |
| Coordinates | 33 deg. 35.3 min. N (33.589N), 116 deg. 41.8 min. W (116.697W) |
| Depth | 2.78 km (1.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=46, Nph=82, Dmin=4.6 km, Rmss=0.2 sec, Erho=0.17 km, Erzz=0.44 km, Gp=44 degrees |
| Event ID# | ci41271080 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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