2025-10-30 20:36:52 (M4.4) southwestern Ryukyu Islands, Japan 23.4 125.2 (90be5)

M4.4 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 30 Oct 2025 20:36:53 Time near the Epicenter (1): 31 Oct 2025 04:36:53 Time in your area (1): 30 Oct 2025 12:36:53
Location	23.431N 125.232E
Depth	10 km
Distances	147.3 km (91.3 mi) SSE of Tarama, Japan 149.1 km (92.4 mi) SE of Ishigaki, Japan 150.7 km (93.5 mi) S of Miyakojima, Japan 152.2 km (94.4 mi) S of Hirara, Japan 395.1 km (244.9 mi) SW of Naha, Japan
Location Uncertainty	Horizontal: 7.0 km; Vertical 1.9 km
Parameters	Nph = 32; Dmin = 146.0 km; Rmss = 0.82 seconds; Gp = 145° Version =
Event ID	us 6000rkg3

(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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