2026-02-28 01:49:19 (M5.1) southwestern Ryukyu Islands, Japan 25.2 125.0 (90be5)

M5.1 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 28 Feb 2026 01:49:20 Time near the Epicenter (1): 28 Feb 2026 10:49:20 Time in your area (1): 27 Feb 2026 17:49:20
Location	25.186N 125.035E
Depth	10 km
Distances	50.2 km (31.1 mi) NNW of Hirara, Japan 51.9 km (32.2 mi) NNW of Miyakojima, Japan 128.7 km (79.8 mi) NE of Ishigaki, Japan 284.3 km (176.3 mi) WSW of Itoman, Japan 288.7 km (179.0 mi) WSW of Naha, Japan
Location Uncertainty	Horizontal: 6.6 km; Vertical 1.7 km
Parameters	Nph = 66; Dmin = 120.4 km; Rmss = 0.95 seconds; Gp = 97° Version =
Event ID	us 7000s0z7

(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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