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 1:49:13 PM (PDT) on Thursday, July 17, 2025.
The magnitude 1.3 event occurred 8 km (5 miles) WSW of Corona, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Thursday, July 17, 2025 at 1:49:13 PM (PDT) Thursday, July 17, 2025 at 20:49:13 (UTC) |
| Distance from |
Corona, CA - 8 km (5 miles) WSW (256 degrees) Home Gardens, CA - 12 km (8 miles) WSW (257 degrees) Norco, CA - 13 km (8 miles) SW (227 degrees) Villa Park, CA - 16 km (10 miles) ENE (74 degrees) Yorba Linda, CA - 16 km (10 miles) ESE (105 degrees) |
| Coordinates | 33 deg. 51.2 min. N (33.853N), 117 deg. 38.9 min. W (117.649W) |
| Depth | 10.16 km (6.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=31, Nph=49, Dmin=7.2 km, Rmss=0.17 sec, Erho=0.28 km, Erzz=0.36 km, Gp=128 degrees |
| Event ID# | ci41025159 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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