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 12:08:30 PM (PDT) on Monday, October 5, 2026.
The magnitude 1.6 event occurred 6 km (4 miles) SW of Clayton, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Monday, October 5, 2026 at 12:08:30 PM (PDT) Monday, October 5, 2026 at 19:08:30 (UTC) |
| Distance from |
Clayton, CA - 6 km (4 miles) SW (219 degrees) Alamo, CA - 7 km (4 miles) NE (41 degrees) Diablo, CA - 7 km (4 miles) NNW (344 degrees) Waldon, CA - 7 km (5 miles) ESE (116 degrees) Walnut Creek, CA - 8 km (5 miles) E (98 degrees) |
| Coordinates | 37 deg. 53.8 min. N (37.897N), 121 deg. 58.8 min. W (121.980W) |
| Depth | 8.83 km (5.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=4.4 km, Rmss=0.08 sec, Erho=0.34 km, Erzz=0.660000026 km, Gp=108 degrees |
| Event ID# | nc75445131 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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