2026-02-28 05:53:57 (M5.4) southwestern Ryukyu Islands, Japan 25.1 125.1 (90be5)

M5.4 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 28 Feb 2026 05:53:58 Time near the Epicenter (1): 28 Feb 2026 14:53:58 Time in your area (1): 27 Feb 2026 21:53:58
Location	25.126N 125.062E
Depth	35 km
Distances	43.2 km (26.8 mi) NW of Hirara, Japan 44.9 km (27.9 mi) NW of Miyakojima, Japan 126.0 km (78.1 mi) NE of Ishigaki, Japan 284.4 km (176.3 mi) WSW of Itoman, Japan 289.0 km (179.2 mi) WSW of Naha, Japan
Location Uncertainty	Horizontal: 6.4 km; Vertical 1.9 km
Parameters	Nph = 72; Dmin = 117.5 km; Rmss = 1.17 seconds; Gp = 61° Version =
Event ID	us 7000s103

(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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