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 3:34:43 PM (PDT) on Thursday, July 30, 2026.
The magnitude 1.5 event occurred 29 km (18 miles) NNE (21 degrees) of Upper Lake, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Thursday, July 30, 2026 at 3:34:43 PM (PDT)
Thursday, July 30, 2026 at 22:34:43 (UTC)
Distance from Upper Lake, CA - 29 km (18 miles) NNE (21 degrees)
Nice, CA - 32 km (20 miles) N (9 degrees)
North Lakeport, CA - 37 km (23 miles) NNE (15 degrees)
Redwood Valley, CA - 39 km (24 miles) ENE (65 degrees)
Lakeport, CA - 42 km (26 miles) NNE (15 degrees)
Coordinates 39 deg. 24.7 min. N (39.411N), 122 deg. 47.4 min. W (122.790W)
Depth 6.89 km (4.30 miles)
Quality Fair
Location Quality Parameters Nst=6, Nph=6, Dmin=13.1 km, Rmss=0.05 sec, Erho=1.14 km, Erzz=1.53999996 km, Gp=222 degrees
Event ID# nc75408817
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For more information, see https://earthquake.usgs.gov

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