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 9:50:52 PM (PST) on Saturday, December 13, 2025.
The magnitude 1.5 event occurred 2 km (2 miles) NW of Costa Mesa, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Saturday, December 13, 2025 at 9:50:52 PM (PST) Sunday, December 14, 2025 at 5:50:52 (UTC) |
| Distance from |
Costa Mesa, CA - 2 km (2 miles) NW (306 degrees) Fountain Valley, CA - 4 km (2 miles) SSE (152 degrees) Huntington Beach, CA - 6 km (4 miles) ESE (105 degrees) Newport Beach, CA - 7 km (4 miles) N (356 degrees) Santa Ana, CA - 9 km (5 miles) SW (215 degrees) |
| Coordinates | 33 deg. 40.7 min. N (33.678N), 117 deg. 56.0 min. W (117.934W) |
| Depth | 9.02 km (5.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=49, Nph=83, Dmin=1.1 km, Rmss=0.24 sec, Erho=0.32 km, Erzz=0.47 km, Gp=86 degrees |
| Event ID# | ci41351448 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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