2026-08-04 04:46:30 (M4.4) Izu Islands, Japan region 33.0 140.3 (90be5)

M4.4 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 4 Aug 2026 04:46:30 Time near the Epicenter (1): 4 Aug 2026 13:46:30 Time in your area (1): 3 Aug 2026 20:46:30
Location	32.950N 140.276E
Depth	105 km
Distances	227.7 km (141.2 mi) SSE of Shimoda, Japan 228.7 km (141.8 mi) S of Tateyama, Japan 238.7 km (148.0 mi) S of Kamogawa, Japan 243.6 km (151.0 mi) S of Katsuura, Japan 281.4 km (174.5 mi) SSE of Yokohama, Japan
Location Uncertainty	Horizontal: 11.1 km; Vertical 8.5 km
Parameters	Nph = 36; Dmin = 398.8 km; Rmss = 0.57 seconds; Gp = 152° Version =
Event ID	us 6000thxt

(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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