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 9:21:09 AM (PST) on Wednesday, January 28, 2026.
The magnitude 2.1 event occurred 4 km (3 miles) SW of Greenville, CA.
The hypocentral depth is -2 km (-1 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Wednesday, January 28, 2026 at 9:21:09 AM (PST) Wednesday, January 28, 2026 at 17:21:09 (UTC) |
| Distance from |
Greenville, CA - 4 km (3 miles) SW (217 degrees) Quincy, CA - 19 km (12 miles) N (351 degrees) East Quincy, CA - 21 km (13 miles) NNW (340 degrees) Chester, CA - 31 km (19 miles) SE (136 degrees) Janesville, CA - 44 km (27 miles) WSW (242 degrees) |
| Coordinates | 40 deg. 6.5 min. N (40.109N), 120 deg. 58.9 min. W (120.981W) |
| Depth | -1.57 km (-1.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=6, Dmin=15.4 km, Rmss=0.17 sec, Erho=0.77 km, Erzz=9.56999969 km, Gp=157 degrees |
| Event ID# | nc75303221 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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