2025-08-08 05:31:34 (M4.1) Izu Islands, Japan region 29.9 138.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.1 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 8 Aug 2025 05:31:35 Time near the Epicenter (1): 8 Aug 2025 14:31:35 Time in your area (1): 7 Aug 2025 21:31:35
Location	29.869N 138.823E
Depth	418 km
Distances	492.4 km (305.3 mi) SE of Kushimoto, Japan 505.8 km (313.6 mi) SSE of Shingū, Japan 515.1 km (319.4 mi) SSE of Kumano, Japan 527.3 km (326.9 mi) SSE of Owase, Japan 568.6 km (352.5 mi) S of Shizuoka, Japan
Location Uncertainty	Horizontal: 12.3 km; Vertical 8.6 km
Parameters	Nph = 45; Dmin = 371.9 km; Rmss = 0.56 seconds; Gp = 81° Version =
Event ID	us 6000qz1n

(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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