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 11:30:40 PM (PDT) on Thursday, September 3, 2026.
The magnitude 0.9 event occurred 10 km (6 miles) ESE of Ridgemark, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Thursday, September 3, 2026 at 11:30:40 PM (PDT) Friday, September 4, 2026 at 6:30:40 (UTC) |
| Distance from |
Ridgemark, CA - 10 km (6 miles) ESE (117 degrees) Hollister, CA - 15 km (9 miles) SE (125 degrees) San Juan Bautista, CA - 26 km (16 miles) ESE (109 degrees) Chualar, CA - 32 km (20 miles) NE (46 degrees) Gonzales, CA - 34 km (21 miles) NNE (29 degrees) |
| Coordinates | 36 deg. 46.2 min. N (36.770N), 121 deg. 15.7 min. W (121.261W) |
| Depth | 6.12 km (3.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=4.6 km, Rmss=0.05 sec, Erho=0.34 km, Erzz=0.939999998 km, Gp=73 degrees |
| Event ID# | nc75429532 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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