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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:35:09 AM (PDT) on Wednesday, July 11, 2018.
The magnitude 1.8 event occurred 7 km (5 miles) ENE (73 degrees) of Covelo, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.8 - duration magnitude (Md)
Time Wednesday, July 11, 2018 at 8:35:09 AM (PDT)
Wednesday, July 11, 2018 at 15:35:09 (UTC)
Distance from Covelo, CA - 7 km (5 miles) ENE (73 degrees)
Laytonville, CA - 30 km (19 miles) ENE (63 degrees)
Brooktrails, CA - 45 km (28 miles) NNE (25 degrees)
Willits, CA - 48 km (30 miles) NNE (20 degrees)
Redwood Valley, CA - 61 km (38 miles) N (3 degrees)
Coordinates 39 deg. 48.7 min. N (39.812N), 123 deg. 10.0 min. W (123.166W)
Depth 8.05 km (5.0 miles)
Quality Good
Location Quality Parameters Nst=16, Nph=17, Dmin=6.9 km, Rmss=0.05 sec, Erho=0.24 km, Erzz=0.54 km, Gp=91 degrees
Event ID# nc73043131
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