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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 5:03:01 AM (PST) on Wednesday, February 14, 2018.
The magnitude 0.5 event occurred 1 km (1 miles) E (97 degrees) of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, February 14, 2018 at 5:03:01 AM (PST)
Wednesday, February 14, 2018 at 13:03:01 (UTC)
Distance from The Geysers, CA - 1 km (1 miles) E (97 degrees)
Cobb, CA - 5 km (3 miles) SSW (201 degrees)
Middletown, CA - 12 km (7 miles) WNW (283 degrees)
Hidden Valley Lake, CA - 17 km (10 miles) WSW (258 degrees)
Lower Lake, CA - 19 km (12 miles) SW (218 degrees)
Coordinates 38 deg. 46.6 min. N (38.776N), 122 deg. 44.7 min. W (122.745W)
Depth 1.3 km (0.8 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=7, Dmin=1.1 km, Rmss=0.01 sec, Erho=0.59 km, Erzz=0.63 km, Gp=149 degrees
Event ID# nc72969326
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