2026-02-23 22:34:22 (M4.6) near the south coast of Honshu, Japan 34.4 139.4 (90be5)

M4.6 Earthquake - near the south coast of Honshu, Japan

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 23 Feb 2026 22:34:22 Time near the Epicenter (1): 24 Feb 2026 07:34:22 Time in your area (1): 23 Feb 2026 14:34:22
Location	34.440N 139.377E
Depth	142 km
Distances	47.6 km (29.5 mi) ESE of Shimoda, Japan 64.3 km (39.9 mi) SSE of Itō, Japan 70.9 km (44.0 mi) SSE of Izu, Japan 75.2 km (46.6 mi) SW of Tateyama, Japan 109.2 km (67.7 mi) SE of Shizuoka, Japan
Location Uncertainty	Horizontal: 10.2 km; Vertical 7.7 km
Parameters	Nph = 47; Dmin = 225.3 km; Rmss = 0.62 seconds; Gp = 132° Version =
Event ID	us 7000rzvn

(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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