2026-04-01 02:20:12 (M4.0) Bonin Islands, Japan region 29.0 139.0 (90be5)

M4.0 Earthquake - Bonin Islands, Japan region

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 1 Apr 2026 02:20:13 Time near the Epicenter (1): 1 Apr 2026 11:20:13 Time in your area (1): 31 Mar 2026 18:20:13
Location	28.979N 138.961E
Depth	497 km
Distances	582.7 km (361.3 mi) SSE of Kushimoto, Japan 598.4 km (371.0 mi) SSE of Shingū, Japan 609.0 km (377.6 mi) SSE of Kumano, Japan 622.0 km (385.6 mi) SSE of Owase, Japan 668.0 km (414.2 mi) S of Shizuoka, Japan
Location Uncertainty	Horizontal: 14.9 km; Vertical 10.4 km
Parameters	Nph = 31; Dmin = 714.9 km; Rmss = 0.56 seconds; Gp = 142° Version =
Event ID	us 7000s99p

(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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