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 #8: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:53:01 AM (PDT) on Tuesday, August 26, 2025.
The magnitude 1.7 event occurred 5 km (3 miles) NNW of Yorba Linda, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.7 - local magnitude (Ml) |
| Time | Tuesday, August 26, 2025 at 10:53:01 AM (PDT) Tuesday, August 26, 2025 at 17:53:01 (UTC) |
| Distance from |
Yorba Linda, CA - 5 km (3 miles) NNW (346 degrees) Brea, CA - 7 km (4 miles) ENE (78 degrees) Placentia, CA - 8 km (5 miles) NNE (33 degrees) Rowland Heights, CA - 9 km (6 miles) SE (125 degrees) Chino Hills, CA - 9 km (6 miles) SW (221 degrees) |
| Coordinates | 33 deg. 55.8 min. N (33.929N), 117 deg. 49.5 min. W (117.825W) |
| Depth | 14.27 km (8.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=55, Nph=91, Dmin=2.1 km, Rmss=0.19 sec, Erho=0.23 km, Erzz=0.3 km, Gp=94 degrees |
| Event ID# | ci41275664 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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