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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:54:38 PM (PST) on Sunday, December 2, 2018.
The magnitude 1.6 event occurred 38 km (24 miles) WSW of Rancho Tehama Reserve, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.6 - duration magnitude (Md)
Time Sunday, December 2, 2018 at 8:54:38 PM (PST)
Monday, December 3, 2018 at 4:54:38 (UTC)
Distance from Rancho Tehama Reserve, CA - 38 km (24 miles) WSW (237 degrees)
Covelo, CA - 41 km (25 miles) E (84 degrees)
Orland, CA - 50 km (31 miles) W (281 degrees)
Corning, CA - 52 km (32 miles) WSW (258 degrees)
Gerber, CA - 59 km (37 miles) WSW (245 degrees)
Coordinates 39 deg. 49.7 min. N (39.829N), 122 deg. 46.6 min. W (122.776W)
Depth 1.52 km (0.9 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=14, Dmin=10.5 km, Rmss=0.09 sec, Erho=0.25 km, Erzz=1.76 km, Gp=94 degrees
Event ID# nc73118471
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