2025-08-28 02:22:53 (M5.3) Western Mongolia 49.7 92.4 (70fa9)

M5.3 Earthquake - Western Mongolia

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 28 Aug 2025 02:22:53 Time near the Epicenter (1): 28 Aug 2025 08:22:53 Time in your area (1): 28 Aug 2025 07:52:53
Location	49.676N 92.448E
Depth	10 km
Distances	43.7 km (27.1 mi) SE of Ulaangom, Mongolia 195.0 km (120.9 mi) NNE of Khovd, Mongolia 197.1 km (122.2 mi) ENE of Ölgii, Mongolia 209.5 km (129.9 mi) S of Shagonar, Russia 213.0 km (132.0 mi) SE of Ak-Dovurak, Russia
Location Uncertainty	Horizontal: 4.7 km; Vertical 1.9 km
Parameters	Nph = 68; Dmin = 611.5 km; Rmss = 0.75 seconds; Gp = 83° Version =
Event ID	us 7000qrh7

(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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