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 1:24:25 PM (PDT) on Thursday, July 31, 2025.
The magnitude 1.9 event occurred 7 km (4 miles) NNE (14 degrees) of Greenfield, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 1:24:25 PM (PDT) Thursday, July 31, 2025 at 20:24:25 (UTC) |
| Distance from |
Greenfield, CA - 7 km (4 miles) NNE (14 degrees) Soledad, CA - 10 km (6 miles) ESE (120 degrees) King City, CA - 21 km (13 miles) NNW (335 degrees) Gonzales, CA - 24 km (15 miles) SE (126 degrees) Chualar, CA - 34 km (21 miles) SE (129 degrees) |
| Coordinates | 36 deg. 22.7 min. N (36.378N), 121 deg. 13.5 min. W (121.226W) |
| Depth | 2.55 km (1.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=4.7 km, Rmss=0.05 sec, Erho=0.35 km, Erzz=0.670000017 km, Gp=52 degrees |
| Event ID# | nc75217582 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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