2025-09-28 21:23:51 (M4.5) southwestern Ryukyu Islands, Japan 24.4 123.3 (90be5)

M4.5 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 28 Sep 2025 21:23:52 Time near the Epicenter (1): 29 Sep 2025 06:23:52 Time in your area (1): 28 Sep 2025 13:23:52
Location	24.367N 123.287E
Depth	57 km
Distances	31.1 km (19.3 mi) ESE of Yonakuni, Japan 88.3 km (54.8 mi) W of Ishigaki, Japan 161.3 km (100.0 mi) ESE of Yilan, Taiwan 176.3 km (109.3 mi) ENE of Hualien City, Taiwan 268.2 km (166.3 mi) E of Zhongxing New Village, Taiwan
Location Uncertainty	Horizontal: 6.0 km; Vertical 5.0 km
Parameters	Nph = 31; Dmin = 30.0 km; Rmss = 0.80 seconds; Gp = 67° Version =
Event ID	us 6000rdhr

(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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