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 4:31:14 PM (PDT) on Monday, August 17, 2026.
The magnitude 1.8 event occurred 5 km (3 miles) NNW of Black Point-Green Point, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Monday, August 17, 2026 at 4:31:14 PM (PDT) Monday, August 17, 2026 at 23:31:14 (UTC) |
| Distance from |
Black Point-Green Point, CA - 5 km (3 miles) NNW (333 degrees) Novato, CA - 6 km (4 miles) NNE (26 degrees) Petaluma, CA - 12 km (7 miles) SE (135 degrees) Lucas Valley-Marinwood, CA - 13 km (8 miles) NNE (14 degrees) Temelec, CA - 13 km (8 miles) SSW (199 degrees) |
| Coordinates | 38 deg. 9.4 min. N (38.156N), 122 deg. 32.4 min. W (122.540W) |
| Depth | 4.41 km (2.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=26.3 km, Rmss=0.09 sec, Erho=2.42 km, Erzz=10.54 km, Gp=153 degrees |
| Event ID# | nc75420322 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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