2023-03-02 21:49:54 (M4.0) China-Laos-Vietnam border region 22.6 102.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - China-Laos-Vietnam border region

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 2 Mar 2023 21:49:54 Time near the Epicenter (1): 3 Mar 2023 04:49:54 Time in your area (1): 2 Mar 2023 13:49:54
Location	22.589N 102.570E
Depth	10 km
Distances	87.4 km (54.2 mi) NW of M??ng Lay, Vietnam 104.3 km (64.7 mi) SW of Gejiu, China 111.6 km (69.2 mi) NNE of Ph�ngsali, Laos 134.0 km (83.1 mi) WNW of Sa Pa, Vietnam 141.2 km (87.6 mi) NNW of Dien Bien Phu, Vietnam
Location Uncertainty	Horizontal: 8.9 km; Vertical 2.0 km
Parameters	Nph = 11; Dmin = 196.5 km; Rmss = 0.57 seconds; Gp = 243° Version =
Event ID	us 7000jgxc

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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