2025-09-28 01:36:37 (M4.5) off the east coast of Honshu, Japan 37.7 144.2 (90be5)

M4.5 Earthquake - off the east coast of Honshu, Japan

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 28 Sep 2025 01:36:37 Time near the Epicenter (1): 28 Sep 2025 11:36:37 Time in your area (1): 27 Sep 2025 17:36:37
Location	37.673N 144.225E
Depth	10 km
Distances	258.4 km (160.2 mi) ESE of Onagawa Chō, Japan 268.6 km (166.5 mi) SE of Ōfunato, Japan 269.6 km (167.2 mi) ESE of Ishinomaki, Japan 272.0 km (168.6 mi) SE of Kamaishi, Japan 302.3 km (187.4 mi) ESE of Sendai, Japan
Location Uncertainty	Horizontal: 10.8 km; Vertical 1.9 km
Parameters	Nph = 36; Dmin = 440.7 km; Rmss = 0.73 seconds; Gp = 153° Version =
Event ID	us 6000rddu

(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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