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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:39:55 PM (PDT) on Thursday, August 28, 2025.
The magnitude 1.0 event occurred 12 km (7 miles) E (81 degrees) of Villa Park, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Thursday, August 28, 2025 at 11:39:55 PM (PDT) Friday, August 29, 2025 at 6:39:55 (UTC) |
| Distance from |
Villa Park, CA - 12 km (7 miles) E (81 degrees) Corona, CA - 12 km (7 miles) WSW (248 degrees) North Tustin, CA - 12 km (8 miles) NE (53 degrees) Yorba Linda, CA - 13 km (8 miles) ESE (119 degrees) Orange, CA - 14 km (9 miles) ENE (77 degrees) |
| Coordinates | 33 deg. 49.8 min. N (33.830N), 117 deg. 41.3 min. W (117.688W) |
| Depth | 7.35 km (4.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=38, Nph=66, Dmin=8.3 km, Rmss=0.16 sec, Erho=0.21 km, Erzz=0.36 km, Gp=49 degrees |
| Event ID# | ci41277952 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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