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 5:04:25 PM (PST) on Friday, November 21, 2025.
The magnitude 1.4 event occurred 15 km (9 miles) S of Ridgemark, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Friday, November 21, 2025 at 5:04:25 PM (PST) Saturday, November 22, 2025 at 1:04:25 (UTC) |
| Distance from |
Ridgemark, CA - 15 km (9 miles) S (171 degrees) Hollister, CA - 19 km (12 miles) SSE (164 degrees) Chualar, CA - 20 km (12 miles) NE (53 degrees) Gonzales, CA - 21 km (13 miles) NNE (26 degrees) San Juan Bautista, CA - 26 km (16 miles) SE (136 degrees) |
| Coordinates | 36 deg. 40.7 min. N (36.679N), 121 deg. 20.4 min. W (121.340W) |
| Depth | 2.31 km (1.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=3.3 km, Rmss=0.19 sec, Erho=0.52 km, Erzz=1.04999995 km, Gp=54 degrees |
| Event ID# | nc75267456 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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