2026-02-21 09:41:15 (M4.5) southwestern Ryukyu Islands, Japan 24.6 125.4 (90be5)

M4.5 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 21 Feb 2026 09:41:15 Time near the Epicenter (1): 21 Feb 2026 18:41:15 Time in your area (1): 21 Feb 2026 01:41:15
Location	24.590N 125.406E
Depth	37 km
Distances	24.1 km (15.0 mi) SSE of Miyakojima, Japan 25.9 km (16.1 mi) SSE of Hirara, Japan 129.5 km (80.3 mi) ENE of Ishigaki, Japan 284.4 km (176.3 mi) SW of Itoman, Japan 290.9 km (180.4 mi) SW of Naha, Japan
Location Uncertainty	Horizontal: 5.4 km; Vertical 9.9 km
Parameters	Nph = 39; Dmin = 120.9 km; Rmss = 0.73 seconds; Gp = 78° Version =
Event ID	us 6000sals

(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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