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 3:59:14 AM (PDT) on Sunday, July 27, 2025.
The magnitude 0.8 event occurred 1 km (1 miles) SSE of Placentia, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Sunday, July 27, 2025 at 3:59:14 AM (PDT) Sunday, July 27, 2025 at 10:59:14 (UTC) |
| Distance from |
Placentia, CA - 1 km (1 miles) SSE (148 degrees) Anaheim, CA - 4 km (2 miles) NE (34 degrees) Yorba Linda, CA - 5 km (3 miles) WSW (243 degrees) Fullerton, CA - 6 km (4 miles) ESE (105 degrees) Brea, CA - 6 km (4 miles) SSE (151 degrees) |
| Coordinates | 33 deg. 52.0 min. N (33.866N), 117 deg. 51.9 min. W (117.866W) |
| Depth | 6.41 km (4.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=32, Nph=55, Dmin=1.6 km, Rmss=0.21 sec, Erho=0.33 km, Erzz=0.43 km, Gp=154 degrees |
| Event ID# | ci41033527 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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