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 1:13:28 PM (PDT) on Thursday, August 21, 2025.
The magnitude 1.0 event occurred 7 km (4 miles) W of Santee, CA.
The hypocentral depth is 0.01 km (0.00 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Thursday, August 21, 2025 at 1:13:28 PM (PDT) Thursday, August 21, 2025 at 20:13:28 (UTC) |
| Distance from |
Santee, CA - 7 km (4 miles) W (264 degrees) La Mesa, CA - 7 km (5 miles) NNW (341 degrees) El Cajon, CA - 9 km (6 miles) WNW (297 degrees) Lemon Grove, CA - 10 km (6 miles) N (351 degrees) San Diego, CA - 11 km (7 miles) ENE (58 degrees) |
| Coordinates | 32 deg. 49.9 min. N (32.831N), 117 deg. 2.9 min. W (117.049W) |
| Depth | 0.01 km (0.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=32, Nph=38, Dmin=7.0 km, Rmss=0.3 sec, Erho=0.45 km, Erzz=1.01 km, Gp=79 degrees |
| Event ID# | ci41271248 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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