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 7:05:59 PM (PDT) on Thursday, August 28, 2025.
The magnitude 0.7 event occurred 11 km (7 miles) S of Corona, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Thursday, August 28, 2025 at 7:05:59 PM (PDT) Friday, August 29, 2025 at 2:05:59 (UTC) |
| Distance from |
Corona, CA - 11 km (7 miles) S (174 degrees) Home Gardens, CA - 12 km (8 miles) SSW (195 degrees) Trabuco Canyon, CA - 13 km (8 miles) NNE (13 degrees) Foothill Ranch, CA - 14 km (8 miles) NE (46 degrees) Rancho Santa Margarita, CA - 15 km (9 miles) NNE (17 degrees) |
| Coordinates | 33 deg. 46.3 min. N (33.772N), 117 deg. 33.3 min. W (117.555W) |
| Depth | 7.98 km (5.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=26, Dmin=11.3 km, Rmss=0.12 sec, Erho=0.22 km, Erzz=0.69 km, Gp=117 degrees |
| Event ID# | ci41277824 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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