2025-10-31 00:25:03 (M4.6) southwestern Ryukyu Islands, Japan 23.3 123.0 (90be5)

M4.6 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 31 Oct 2025 00:25:03 Time near the Epicenter (1): 31 Oct 2025 08:25:03 Time in your area (1): 30 Oct 2025 16:25:03
Location	23.306N 123.013E
Depth	10 km
Distances	128.6 km (79.7 mi) S of Yonakuni, Japan 161.8 km (100.3 mi) ESE of Hualien City, Taiwan 163.8 km (101.6 mi) SW of Ishigaki, Japan 205.6 km (127.4 mi) SE of Yilan, Taiwan 248.3 km (153.9 mi) ESE of Zhongxing New Village, Taiwan
Location Uncertainty	Horizontal: 4.8 km; Vertical 1.9 km
Parameters	Nph = 46; Dmin = 128.6 km; Rmss = 1.13 seconds; Gp = 94° Version =
Event ID	us 6000rkhk

(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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