2026-02-27 23:06:38 (M4.4) Bonin Islands, Japan region 28.1 140.1 (90be5)

M4.4 Earthquake - Bonin Islands, Japan region

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 27 Feb 2026 23:06:39 Time near the Epicenter (1): 28 Feb 2026 08:06:39 Time in your area (1): 27 Feb 2026 15:06:39
Location	28.091N 140.065E
Depth	447 km
Distances	723.5 km (448.6 mi) SSE of Kushimoto, Japan 737.1 km (457.0 mi) SSE of Shingū, Japan 737.9 km (457.5 mi) S of Shimoda, Japan 743.1 km (460.7 mi) SSE of Ōyama, Japan 780.7 km (484.0 mi) SSE of Shizuoka, Japan
Location Uncertainty	Horizontal: 10.1 km; Vertical 8.3 km
Parameters	Nph = 61; Dmin = 854.5 km; Rmss = 0.67 seconds; Gp = 120° Version =
Event ID	us 7000s0xh

(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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