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== 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 6:57:51 PM (PST) on Tuesday, February 13, 2018.
The magnitude 0.6 event occurred 3 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 1 km (0.5 miles).



Magnitude 0.6 - duration magnitude (Md)
Time Tuesday, February 13, 2018 at 6:57:51 PM (PST)
Wednesday, February 14, 2018 at 2:57:51 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) N (351 degrees)
Cobb, CA - 4 km (2 miles) WSW (245 degrees)
Middletown, CA - 14 km (9 miles) WNW (296 degrees)
Lower Lake, CA - 17 km (11 miles) SW (229 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (270 degrees)
Coordinates 38 deg. 48.5 min. N (38.808N), 122 deg. 45.8 min. W (122.763W)
Depth 0.78 km (0.5 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=1.7 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.68 km, Gp=116 degrees
Event ID# nc72969171
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