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 6:49:55 PM (PDT) on Thursday, August 27, 2026.
The magnitude 1.4 event occurred 4 km (2 miles) NNE (21 degrees) of San Leandro, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Thursday, August 27, 2026 at 6:49:55 PM (PDT) Friday, August 28, 2026 at 1:49:55 (UTC) |
| Distance from |
San Leandro, CA - 4 km (2 miles) NNE (21 degrees) Ashland, CA - 7 km (4 miles) NNW (340 degrees) San Lorenzo, CA - 8 km (5 miles) N (349 degrees) Castro Valley, CA - 8 km (5 miles) NW (324 degrees) Alameda, CA - 9 km (5 miles) E (97 degrees) |
| Coordinates | 37 deg. 45.3 min. N (37.755N), 122 deg. 8.5 min. W (122.142W) |
| Depth | 5.08 km (3.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=4.0 km, Rmss=0.07 sec, Erho=0.35 km, Erzz=0.5 km, Gp=84 degrees |
| Event ID# | nc75426157 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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