Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A minor earthquake occurred at 6:47:28 AM (PDT) on Monday, September 14, 2026.
The magnitude 3.0 event occurred 9 km (6 miles) SW of Brentwood, CA.
The hypocentral depth is 17 km (10 miles).
| Magnitude | 3.0 - local magnitude (Ml) |
| Time | Monday, September 14, 2026 at 6:47:28 AM (PDT) Monday, September 14, 2026 at 13:47:28 (UTC) |
| Distance from |
Brentwood, CA - 9 km (6 miles) SW (232 degrees) Blackhawk, CA - 10 km (7 miles) NE (55 degrees) Clayton, CA - 13 km (8 miles) SE (124 degrees) Diablo, CA - 14 km (9 miles) ENE (71 degrees) Antioch, CA - 14 km (9 miles) S (181 degrees) |
| Coordinates | 37 deg. 52.5 min. N (37.875N), 121 deg. 48.6 min. W (121.810W) |
| Depth | 16.92 km (10.50 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=53, Nph=59, Dmin=4.3 km, Rmss=1.35 sec, Erho=1.29 km, Erzz=1.838 km, Gp=19 degrees |
| Event ID# | nc75435557 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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