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 8:59:17 AM (PDT) on Tuesday, August 18, 2026.
The magnitude 2.6 event occurred 28 km (17 miles) WNW of Weaverville, CA.
The hypocentral depth is 28 km (17 miles).


Magnitude 2.6 - duration magnitude (Md)
Time Tuesday, August 18, 2026 at 8:59:17 AM (PDT)
Tuesday, August 18, 2026 at 15:59:17 (UTC)
Distance from Weaverville, CA - 28 km (17 miles) WNW (302 degrees)
Willow Creek, CA - 35 km (22 miles) ESE (103 degrees)
Hayfork, CA - 35 km (22 miles) N (354 degrees)
Lewiston, CA - 39 km (24 miles) WNW (297 degrees)
Blue Lake, CA - 64 km (40 miles) E (91 degrees)
Coordinates 40 deg. 51.9 min. N (40.866N), 123 deg. 13.4 min. W (123.224W)
Depth 28.08 km (17.40 miles)
Quality Excellent
Location Quality Parameters Nst=21, Nph=20, Dmin=11.9 km, Rmss=0.14 sec, Erho=0.48 km, Erzz=1.14999998 km, Gp=45 degrees
Event ID# nc75420662
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For more information, see https://earthquake.usgs.gov

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