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== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, 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 11:18:23 PM (PST) on Monday, February 10, 2020.
The magnitude 1.1 event occurred 21 km (13 miles) N (2 degrees) of Trona, CA.
The hypocentral depth is 2 km ( 2 miles).



Magnitude 1.1 - local magnitude (Ml)
Time Monday, February 10, 2020 at 11:18:23 PM (PST)
Tuesday, February 11, 2020 at 7:18:23 (UTC)
Distance from Trona, CA - 21 km (13 miles) N (2 degrees)
Searles Valley, CA - 21 km (13 miles) N (8 degrees)
Ridgecrest, CA - 46 km (29 miles) NE (36 degrees)
Little Lake, CA - 48 km (30 miles) E (87 degrees)
Coso Junction, CA - 53 km (33 miles) E (101 degrees)
Coordinates 35 deg. 57.4 min. N (35.957N), 117 deg. 22.3 min. W (117.372W)
Depth 2.42 km (1.5 miles)
Quality Fair
Location Quality Parameters Nst=23, Nph=36, Dmin=10.9 km, Rmss=0.15 sec, Erho=0.24 km, Erzz=0.6 km, Gp=65 degrees
Event ID# ci39298216
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