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 5:34:13 AM (PST) on Friday, December 26, 2025.
The magnitude 1.7 event occurred 24 km (15 miles) NE (44 degrees) of Greenfield, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Friday, December 26, 2025 at 5:34:13 AM (PST) Friday, December 26, 2025 at 13:34:13 (UTC) |
| Distance from |
Greenfield, CA - 24 km (15 miles) NE (44 degrees) Soledad, CA - 25 km (15 miles) ENE (77 degrees) King City, CA - 30 km (18 miles) NNE (12 degrees) Gonzales, CA - 35 km (22 miles) E (96 degrees) Chualar, CA - 43 km (26 miles) ESE (105 degrees) |
| Coordinates | 36 deg. 28.4 min. N (36.473N), 121 deg. 3.5 min. W (121.058W) |
| Depth | 1.38 km (0.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=1.9 km, Rmss=0.16 sec, Erho=0.47 km, Erzz=0.550000012 km, Gp=143 degrees |
| Event ID# | nc75286576 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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