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 12:51:43 PM (PDT) on Friday, October 31, 2025.
The magnitude 1.4 event occurred 22 km (14 miles) NE (46 degrees) of Greenfield, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Friday, October 31, 2025 at 12:51:43 PM (PDT) Friday, October 31, 2025 at 19:51:43 (UTC) |
| Distance from |
Greenfield, CA - 22 km (14 miles) NE (46 degrees) Soledad, CA - 24 km (15 miles) E (81 degrees) King City, CA - 28 km (17 miles) N (11 degrees) Gonzales, CA - 34 km (21 miles) E (99 degrees) Chualar, CA - 42 km (26 miles) ESE (107 degrees) |
| Coordinates | 36 deg. 27.4 min. N (36.457N), 121 deg. 4.0 min. W (121.066W) |
| Depth | 6.44 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=0.8 km, Rmss=0.20 sec, Erho=0.68 km, Erzz=1.41999996 km, Gp=62 degrees |
| Event ID# | nc75257271 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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