2025-03-25 05:48:59 (M4.2) China-Laos-Vietnam border region 22.9 102.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.2 Earthquake - China-Laos-Vietnam border region

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 25 Mar 2025 05:49:00 Time near the Epicenter (1): 25 Mar 2025 13:49:00 Time in your area (1): 24 Mar 2025 21:49:00
Location	22.917N 102.191E
Depth	10 km
Distances	110.2 km (68.3 mi) WSW of Gejiu, China 125.6 km (77.9 mi) E of Simao, China 137.2 km (85.1 mi) N of Phôngsali, Laos 140.4 km (87.1 mi) NW of Mường Lay, Vietnam 142.9 km (88.6 mi) SW of Kaiyuan, China
Location Uncertainty	Horizontal: 10.6 km; Vertical 1.9 km
Parameters	Nph = 28; Dmin = 323.3 km; Rmss = 0.98 seconds; Gp = 99° Version =
Event ID	us 7000pmg7

(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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