Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 1:38:06 AM (PDT) on Monday, August 17, 2026.
The magnitude 1.9 event occurred 12 km (7 miles) S of Lompoc, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.9 - local magnitude (Ml)
Time Monday, August 17, 2026 at 1:38:06 AM (PDT)
Monday, August 17, 2026 at 8:38:06 (UTC)
Distance from Lompoc, CA - 12 km (7 miles) S (190 degrees)
Vandenberg Village, CA - 19 km (12 miles) S (183 degrees)
Vandenberg Air Force Base, CA - 24 km (15 miles) S (172 degrees)
Buellton, CA - 28 km (17 miles) WSW (252 degrees)
Los Alamos, CA - 30 km (18 miles) SW (218 degrees)
Coordinates 34 deg. 32.1 min. N (34.535N), 120 deg. 28.8 min. W (120.480W)
Depth 5.20 km (3.20 miles)
Quality Fair
Location Quality Parameters Nst=31, Nph=39, Dmin=2.8 km, Rmss=0.25 sec, Erho=0.72 km, Erzz=0.72 km, Gp=148 degrees
Event ID# ci40674298
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