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 8:34:51 PM (PDT) on Thursday, October 1, 2026.
The magnitude 1.4 event occurred 12 km (8 miles) S of Ridgemark, CA.
The hypocentral depth is -0.30 km (-0.20 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Thursday, October 1, 2026 at 8:34:51 PM (PDT) Friday, October 2, 2026 at 3:34:51 (UTC) |
| Distance from |
Ridgemark, CA - 12 km (8 miles) S (187 degrees) Hollister, CA - 16 km (10 miles) S (175 degrees) Chualar, CA - 19 km (12 miles) NE (39 degrees) San Juan Bautista, CA - 21 km (13 miles) SE (139 degrees) Gonzales, CA - 22 km (14 miles) NNE (14 degrees) |
| Coordinates | 36 deg. 42.1 min. N (36.702N), 121 deg. 23.0 min. W (121.383W) |
| Depth | -0.30 km (-0.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.3 km, Rmss=0.21 sec, Erho=0.66 km, Erzz=2.63000011 km, Gp=77 degrees |
| Event ID# | nc75442681 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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