2025-08-21 01:44:00 (M4.7) near the south coast of Honshu, Japan 34.5 139.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.7 Earthquake - near the south coast of Honshu, Japan

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 21 Aug 2025 01:44:00 Time near the Epicenter (1): 21 Aug 2025 10:44:00 Time in your area (1): 20 Aug 2025 17:44:00
Location	34.469N 139.395E
Depth	10 km
Distances	47.3 km (29.3 mi) ESE of Shimoda, Japan 62.2 km (38.5 mi) SSE of Itō, Japan 69.3 km (42.9 mi) SE of Izu, Japan 71.6 km (44.4 mi) SW of Tateyama, Japan 108.8 km (67.5 mi) ESE of Shizuoka, Japan
Location Uncertainty	Horizontal: 6.2 km; Vertical 1.9 km
Parameters	Nph = 49; Dmin = 155.0 km; Rmss = 0.85 seconds; Gp = 109° Version =
Event ID	us 6000r2p9

(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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