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 4:46:37 PM (PST) on Wednesday, January 21, 2026.
The magnitude 2.1 event occurred 2 km (1 miles) SE of Pacifica, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Wednesday, January 21, 2026 at 4:46:37 PM (PST) Thursday, January 22, 2026 at 0:46:37 (UTC) |
| Distance from |
Pacifica, CA - 2 km (1 miles) SE (144 degrees) San Bruno, CA - 6 km (4 miles) SW (234 degrees) Montara, CA - 7 km (4 miles) NNE (33 degrees) Millbrae, CA - 7 km (5 miles) W (268 degrees) Hillsborough, CA - 8 km (5 miles) WNW (287 degrees) |
| Coordinates | 37 deg. 35.8 min. N (37.597N), 122 deg. 28.3 min. W (122.471W) |
| Depth | 9.67 km (6.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=42, Nph=41, Dmin=3.0 km, Rmss=0.04 sec, Erho=0.19 km, Erzz=0.280000001 km, Gp=77 degrees |
| Event ID# | nc75299606 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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