2025-09-26 10:34:30 (M4.6) off the east coast of Honshu, Japan 37.9 144.0 (90be5)

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

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 26 Sep 2025 10:34:31 Time near the Epicenter (1): 26 Sep 2025 20:34:31 Time in your area (1): 26 Sep 2025 02:34:31
Location	37.905N 143.991E
Depth	10 km
Distances	230.8 km (143.1 mi) ESE of Onagawa Chō, Japan 236.9 km (146.9 mi) SE of Ōfunato, Japan 239.6 km (148.5 mi) SE of Kamaishi, Japan 242.5 km (150.4 mi) ESE of Ishinomaki, Japan 277.0 km (171.7 mi) E of Sendai, Japan
Location Uncertainty	Horizontal: 9.5 km; Vertical 1.9 km
Parameters	Nph = 56; Dmin = 407.7 km; Rmss = 0.82 seconds; Gp = 130° Version =
Event ID	us 6000rd45

(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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