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 1:18:41 AM (PDT) on Monday, August 17, 2026.
The magnitude 2.6 event occurred 3 km (2 miles) SE of Concord, CA.
The hypocentral depth is 15 km ( 9 miles).
| Magnitude | 2.6 - duration magnitude (Md) |
| Time | Monday, August 17, 2026 at 1:18:41 AM (PDT) Monday, August 17, 2026 at 8:18:41 (UTC) |
| Distance from |
Concord, CA - 3 km (2 miles) SE (142 degrees) Clayton, CA - 5 km (3 miles) W (279 degrees) Pleasant Hill, CA - 6 km (4 miles) E (89 degrees) Waldon, CA - 6 km (4 miles) ENE (64 degrees) Pacheco, CA - 8 km (5 miles) ESE (119 degrees) |
| Coordinates | 37 deg. 56.9 min. N (37.949N), 121 deg. 59.8 min. W (121.996W) |
| Depth | 14.63 km (9.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=94, Nph=89, Dmin=8.8 km, Rmss=0.13 sec, Erho=0.17 km, Erzz=0.310000002 km, Gp=61 degrees |
| Event ID# | nc75419932 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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