2025-08-28 01:18:31 (M4.4) Izu Islands, Japan region 29.9 141.5 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.4 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 28 Aug 2025 01:18:32 Time near the Epicenter (1): 28 Aug 2025 10:18:32 Time in your area (1): 27 Aug 2025 17:18:32
Location	29.855N 141.470E
Depth	121 km
Distances	585.2 km (362.8 mi) SSE of Shimoda, Japan 588.3 km (364.8 mi) SSE of Tateyama, Japan 595.4 km (369.1 mi) SSE of Kamogawa, Japan 596.7 km (370.0 mi) S of Katsuura, Japan 638.4 km (395.8 mi) SSE of Shizuoka, Japan
Location Uncertainty	Horizontal: 12.4 km; Vertical 9.4 km
Parameters	Nph = 15; Dmin = 313.6 km; Rmss = 1.06 seconds; Gp = 133° Version =
Event ID	us 7000qrgw

(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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