2019-10-11 01:10:52 (M3.9) Arizona-Sonora border region 31.3 -109.1 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.9 Earthquake - Arizona-Sonora border region

Preliminary Report

Magnitude	3.9
Date-Time	11 Oct 2019 01:10:53 UTC 10 Oct 2019 18:10:53 near epicenter 10 Oct 2019 17:10:53 standard time in your timezone
Location	31.263N 109.086W
Depth	5 km
Distances	44.7 km (27.7 mi) ESE of Douglas, Arizona 44.7 km (27.7 mi) E of Agua Prieta, Mexico 105.5 km (65.4 mi) W of Ascensi�n, Mexico 106.6 km (66.1 mi) W of Ascenci�n, Mexico 300.9 km (186.5 mi) NE of Hermosillo, Mexico
Location Uncertainty	Horizontal: 3.4 km; Vertical 2.0 km
Parameters	Nph = 36; Dmin = 143.1 km; Rmss = 0.65 seconds; Gp = 72° Version =
Event ID	us 70005t9y

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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