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 6:44:28 PM (PST) on Friday, January 9, 2026.
The magnitude 1.4 event occurred 25 km (15 miles) S of Tracy, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Friday, January 9, 2026 at 6:44:28 PM (PST) Saturday, January 10, 2026 at 2:44:28 (UTC) |
| Distance from |
Tracy, CA - 25 km (15 miles) S (183 degrees) Patterson, CA - 28 km (17 miles) W (280 degrees) Mountain House, CA - 31 km (19 miles) SSE (163 degrees) Livermore, CA - 34 km (21 miles) ESE (122 degrees) Riverdale Park, CA - 36 km (22 miles) WSW (253 degrees) |
| Coordinates | 37 deg. 31.0 min. N (37.516N), 121 deg. 26.3 min. W (121.438W) |
| Depth | 2.22 km (1.40 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=8.4 km, Rmss=0.09 sec, Erho=0.41 km, Erzz=8.05000019 km, Gp=118 degrees |
| Event ID# | nc75293316 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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