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 10:47:38 AM (PDT) on Tuesday, October 6, 2026.
The magnitude 2.4 event occurred 6 km (3 miles) SE of Napa, CA.
The hypocentral depth is -0.14 km (-0.10 miles).


Magnitude 2.4 - duration magnitude (Md)
Time Tuesday, October 6, 2026 at 10:47:38 AM (PDT)
Tuesday, October 6, 2026 at 17:47:38 (UTC)
Distance from Napa, CA - 6 km (3 miles) SE (144 degrees)
Green Valley, CA - 8 km (5 miles) W (273 degrees)
American Canyon, CA - 9 km (6 miles) N (7 degrees)
Vallejo, CA - 16 km (10 miles) N (356 degrees)
Fairfield, CA - 18 km (11 miles) W (273 degrees)
Coordinates 38 deg. 15.4 min. N (38.257N), 122 deg. 14.9 min. W (122.248W)
Depth -0.14 km (-0.10 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=7, Dmin=3.9 km, Rmss=0.18 sec, Erho=0.5 km, Erzz=1.77999997 km, Gp=121 degrees
Event ID# nc75445506
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