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 8:26:30 PM (PDT) on Wednesday, August 12, 2026.
The magnitude 2.2 event occurred 3 km (2 miles) NNE (18 degrees) of San Leandro, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Wednesday, August 12, 2026 at 8:26:30 PM (PDT) Thursday, August 13, 2026 at 3:26:30 (UTC) |
| Distance from |
San Leandro, CA - 3 km (2 miles) NNE (18 degrees) Ashland, CA - 7 km (4 miles) NNW (336 degrees) San Lorenzo, CA - 8 km (5 miles) NNW (346 degrees) Castro Valley, CA - 8 km (5 miles) NW (320 degrees) Alameda, CA - 9 km (5 miles) E (101 degrees) |
| Coordinates | 37 deg. 45.0 min. N (37.751N), 122 deg. 8.7 min. W (122.146W) |
| Depth | 4.29 km (2.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=44, Nph=42, Dmin=3.8 km, Rmss=0.11 sec, Erho=0.17 km, Erzz=0.370000005 km, Gp=52 degrees |
| Event ID# | nc75417302 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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