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 6:28:04 AM (PST) on Thursday, December 4, 2025.
The magnitude 1.7 event occurred 9 km (5 miles) ESE of Gilroy, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Thursday, December 4, 2025 at 6:28:04 AM (PST) Thursday, December 4, 2025 at 14:28:04 (UTC) |
| Distance from |
Gilroy, CA - 9 km (5 miles) ESE (108 degrees) San Juan Bautista, CA - 16 km (10 miles) NNE (20 degrees) Hollister, CA - 16 km (10 miles) NNW (335 degrees) San Martin, CA - 17 km (10 miles) SE (134 degrees) Aromas, CA - 18 km (11 miles) NE (55 degrees) |
| Coordinates | 36 deg. 58.9 min. N (36.981N), 121 deg. 28.5 min. W (121.476W) |
| Depth | 5.44 km (3.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=18, Nph=18, Dmin=5.0 km, Rmss=0.10 sec, Erho=0.5 km, Erzz=0.860000014 km, Gp=156 degrees |
| Event ID# | nc75274296 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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