2025-09-26 21:49:58 (M5.2) Gansu, China 34.9 104.6 (70fa9)

M5.2 Earthquake - Gansu, China

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 26 Sep 2025 21:49:59 Time near the Epicenter (1): 27 Sep 2025 05:49:59 Time in your area (1): 27 Sep 2025 03:19:59
Location	34.931N 104.583E
Depth	10 km
Distances	19.4 km (12.0 mi) NW of Hualin, China 20.7 km (12.8 mi) NNW of Gaolou, China 23.7 km (14.7 mi) NW of Yuanyang, China 30.2 km (18.7 mi) NW of Shandan, China 142.0 km (88.0 mi) SSE of Lanzhou, China
Location Uncertainty	Horizontal: 7.3 km; Vertical 1.8 km
Parameters	Nph = 113; Dmin = 139.4 km; Rmss = 0.71 seconds; Gp = 20° Version =
Event ID	us 6000rd99

(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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