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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:21:30 PM (PDT) on Tuesday, August 19, 2025.
The magnitude 2.2 event occurred 10 km (7 miles) WSW of Corona, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 2.2 - local magnitude (Ml) |
| Time | Tuesday, August 19, 2025 at 11:21:30 PM (PDT) Wednesday, August 20, 2025 at 6:21:30 (UTC) |
| Distance from |
Corona, CA - 10 km (7 miles) WSW (241 degrees) North Tustin, CA - 13 km (8 miles) ENE (61 degrees) Villa Park, CA - 14 km (8 miles) E (85 degrees) Orange, CA - 15 km (10 miles) E (81 degrees) Yorba Linda, CA - 15 km (10 miles) ESE (118 degrees) |
| Coordinates | 33 deg. 49.4 min. N (33.824N), 117 deg. 40.0 min. W (117.667W) |
| Depth | 5.38 km (3.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=112, Nph=202, Dmin=6.2 km, Rmss=0.19 sec, Erho=0.11 km, Erzz=0.26 km, Gp=24 degrees |
| Event ID# | ci40403610 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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