Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A minor earthquake occurred at 8:30:04 AM (PDT) on Thursday, August 13, 2026.
The magnitude 3.8 event occurred 3 km (2 miles) N (9 degrees) of San Leandro, CA.
The hypocentral depth is 6 km ( 3 miles).
| Magnitude | 3.8 - moment magnitude (Mw) |
| Time | Thursday, August 13, 2026 at 8:30:04 AM (PDT) Thursday, August 13, 2026 at 15:30:04 (UTC) |
| Distance from |
San Leandro, CA - 3 km (2 miles) N (9 degrees) Ashland, CA - 7 km (5 miles) NNW (335 degrees) Alameda, CA - 8 km (5 miles) E (98 degrees) Oakland, CA - 8 km (5 miles) ESE (123 degrees) San Lorenzo, CA - 9 km (5 miles) NNW (345 degrees) |
| Coordinates | 37 deg. 45.3 min. N (37.755N), 122 deg. 9.0 min. W (122.150W) |
| Depth | 5.55 km (3.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=204, Nph=249, Dmin=2.1 km, Rmss=0.18 sec, Erho=0.1 km, Erzz=0.17 km, Gp=16 degrees |
| Event ID# | nc75417557 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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