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 1:00:21 PM (PDT) on Thursday, March 19, 2026.
The magnitude 1.1 event occurred 10 km (6 miles) N of Healdsburg, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 1.1 - duration magnitude (Md)
Time Thursday, March 19, 2026 at 1:00:21 PM (PDT)
Thursday, March 19, 2026 at 20:00:21 (UTC)
Distance from Healdsburg, CA - 10 km (6 miles) N (354 degrees)
The Geysers, CA - 14 km (8 miles) SW (233 degrees)
Cloverdale, CA - 16 km (10 miles) SE (134 degrees)
Windsor, CA - 18 km (11 miles) NNW (342 degrees)
Cobb, CA - 19 km (12 miles) SW (226 degrees)
Coordinates 38 deg. 42.2 min. N (38.703N), 122 deg. 52.9 min. W (122.881W)
Depth 4.13 km (2.60 miles)
Quality Poor
Location Quality Parameters Nst=6, Nph=6, Dmin=10.9 km, Rmss=0.20 sec, Erho=2.62 km, Erzz=7.75 km, Gp=186 degrees
Event ID# nc75330242
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