2025-09-04 10:06:04 (M4.7) Bonin Islands, Japan region 26.6 140.5 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.7 Earthquake - Bonin Islands, Japan region

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 4 Sep 2025 10:06:05 Time near the Epicenter (1): 4 Sep 2025 19:06:05 Time in your area (1): 4 Sep 2025 02:06:05
Location	26.576N 140.506E
Depth	392 km
Distances	889.5 km (551.5 mi) SSE of Kushimoto, Japan 904.9 km (561.1 mi) SSE of Shingū, Japan 910.4 km (564.5 mi) S of Shimoda, Japan 915.2 km (567.4 mi) SSE of Kumano, Japan 953.9 km (591.4 mi) SSE of Shizuoka, Japan
Location Uncertainty	Horizontal: 8.9 km; Vertical 5.3 km
Parameters	Nph = 106; Dmin = 176.5 km; Rmss = 0.75 seconds; Gp = 23° Version =
Event ID	us 7000qtr4

(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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