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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 4:46:18 AM (PST) on Thursday, January 10, 2019.
The magnitude 1.2 event occurred 2 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.2 - duration magnitude (Md)
Time Thursday, January 10, 2019 at 4:46:18 AM (PST)
Thursday, January 10, 2019 at 12:46:18 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NW (307 degrees)
Cobb, CA - 6 km (4 miles) SW (233 degrees)
Middletown, CA - 15 km (9 miles) WNW (286 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (264 degrees)
Lower Lake, CA - 20 km (12 miles) SW (227 degrees)
Coordinates 38 deg. 47.4 min. N (38.790N), 122 deg. 46.6 min. W (122.777W)
Depth 1.49 km (0.9 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=7, Dmin=1.0 km, Rmss=0.02 sec, Erho=0.55 km, Erzz=0.5 km, Gp=130 degrees
Event ID# nc73131601
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