2025-07-28 22:43:13 (M4.6) off the east coast of Honshu, Japan 40.5 145.0 (90be5)

M4.6 Earthquake - off the east coast of Honshu, Japan

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 28 Jul 2025 22:43:13 Time near the Epicenter (1): 29 Jul 2025 08:43:13 Time in your area (1): 28 Jul 2025 14:43:13
Location	40.503N 144.954E
Depth	10 km
Distances	241.4 km (149.6 mi) SE of Hiroo, Japan 258.3 km (160.1 mi) SE of Urakawa, Japan 272.9 km (169.2 mi) E of Kuji, Japan 274.1 km (169.9 mi) ENE of Miyako, Japan 336.4 km (208.6 mi) ENE of Morioka, Japan
Location Uncertainty	Horizontal: 8.7 km; Vertical 1.9 km
Parameters	Nph = 49; Dmin = 225.6 km; Rmss = 0.42 seconds; Gp = 136° Version =
Event ID	us 6000qvu4

(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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