Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 6:08:10 PM (PST) on Tuesday, December 23, 2025.
The magnitude 1.6 event occurred 14 km (9 miles) N (6 degrees) of Morgan Hill, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Tuesday, December 23, 2025 at 6:08:10 PM (PST) Wednesday, December 24, 2025 at 2:08:10 (UTC) |
| Distance from |
Morgan Hill, CA - 14 km (9 miles) N (6 degrees) Seven Trees, CA - 18 km (11 miles) E (100 degrees) San Martin, CA - 19 km (12 miles) N (353 degrees) Alum Rock, CA - 21 km (13 miles) SE (126 degrees) East Foothills, CA - 21 km (13 miles) SE (131 degrees) |
| Coordinates | 37 deg. 15.5 min. N (37.258N), 121 deg. 38.2 min. W (121.637W) |
| Depth | 5.36 km (3.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=3.2 km, Rmss=0.05 sec, Erho=0.26 km, Erzz=0.540000021 km, Gp=65 degrees |
| Event ID# | nc75285491 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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