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

A micro earthquake occurred at 4:05:19 AM (PDT) on Monday, July 17, 2023.
The magnitude 1.0 event occurred 5 km (3 miles) SW of Los Alamos, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Monday, July 17, 2023 at 4:05:19 AM (PDT)
Monday, July 17, 2023 at 11:05:19 (UTC)
Distance from Los Alamos, CA - 5 km (3 miles) SW (221 degrees)
Vandenberg Village, CA - 14 km (9 miles) E (89 degrees)
Lompoc, CA - 15 km (10 miles) ENE (59 degrees)
Buellton, CA - 15 km (10 miles) NW (314 degrees)
Vandenberg Air Force Base, CA - 19 km (12 miles) ESE (103 degrees)
Coordinates 34 deg. 42.6 min. N (34.710N), 120 deg. 18.9 min. W (120.315W)
Depth 5.7 km (3.5 miles)
Quality Good
Location Quality Parameters Nst=23, Nph=35, Dmin=4.2 km, Rmss=0.16 sec, Erho=0.21 km, Erzz=0.44 km, Gp=77 degrees
Event ID# ci39614626
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