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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 7:19:17 AM (PST) on Monday, February 11, 2019.
The magnitude 1.0 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.0 - duration magnitude (Md)
Time Monday, February 11, 2019 at 7:19:17 AM (PST)
Monday, February 11, 2019 at 15:19:17 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (318 degrees)
Cobb, CA - 8 km (5 miles) W (273 degrees)
Kelseyville, CA - 17 km (11 miles) S (172 degrees)
Cloverdale, CA - 18 km (11 miles) E (83 degrees)
Middletown, CA - 19 km (12 miles) WNW (296 degrees)
Coordinates 38 deg. 49.5 min. N (38.825N), 122 deg. 48.7 min. W (122.811W)
Depth 1.06 km (0.7 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=17, Dmin=0.2 km, Rmss=0.04 sec, Erho=0.24 km, Erzz=0.44 km, Gp=91 degrees
Event ID# nc73140770
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