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 5:26:29 PM (PDT) on Tuesday, October 6, 2026.
The magnitude 1.8 event occurred 19 km (12 miles) WNW of Boulder Creek, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Tuesday, October 6, 2026 at 5:26:29 PM (PDT) Wednesday, October 7, 2026 at 0:26:29 (UTC) |
| Distance from |
Boulder Creek, CA - 19 km (12 miles) WNW (302 degrees) Portola Valley, CA - 20 km (12 miles) SSW (198 degrees) Brookdale, CA - 22 km (13 miles) NW (305 degrees) Los Altos Hills, CA - 23 km (14 miles) SW (219 degrees) Loyola, CA - 23 km (15 miles) SW (231 degrees) |
| Coordinates | 37 deg. 13.1 min. N (37.218N), 122 deg. 18.3 min. W (122.305W) |
| Depth | 4.74 km (2.90 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=17.1 km, Rmss=0.12 sec, Erho=4.37 km, Erzz=12.1700001 km, Gp=208 degrees |
| Event ID# | nc75445701 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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