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 1:36:17 PM (PST) on Wednesday, January 28, 2026.
The magnitude 1.5 event occurred 9 km (5 miles) SSE of Pleasanton, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Wednesday, January 28, 2026 at 1:36:17 PM (PST) Wednesday, January 28, 2026 at 21:36:17 (UTC) |
| Distance from |
Pleasanton, CA - 9 km (5 miles) SSE (161 degrees) Livermore, CA - 12 km (8 miles) SSW (212 degrees) Fremont, CA - 13 km (8 miles) ENE (68 degrees) Dublin, CA - 15 km (9 miles) SSE (147 degrees) Union City, CA - 16 km (10 miles) E (93 degrees) |
| Coordinates | 37 deg. 35.2 min. N (37.587N), 121 deg. 50.5 min. W (121.842W) |
| Depth | 8.35 km (5.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=4.1 km, Rmss=0.10 sec, Erho=0.37 km, Erzz=0.5 km, Gp=52 degrees |
| Event ID# | nc75303361 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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