2025-09-27 13:37:18 (M4.8) off the east coast of Honshu, Japan 37.8 144.2 (90be5)

M4.8 Earthquake - off the east coast of Honshu, Japan

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 27 Sep 2025 13:37:18 Time near the Epicenter (1): 27 Sep 2025 23:37:18 Time in your area (1): 27 Sep 2025 05:37:18
Location	37.766N 144.188E
Depth	10 km
Distances	251.9 km (156.2 mi) ESE of Onagawa Chō, Japan 260.0 km (161.2 mi) SE of Ōfunato, Japan 262.8 km (162.9 mi) SE of Kamaishi, Japan 263.4 km (163.3 mi) ESE of Ishinomaki, Japan 296.9 km (184.1 mi) ESE of Sendai, Japan
Location Uncertainty	Horizontal: 9.7 km; Vertical 1.9 km
Parameters	Nph = 31; Dmin = 430.5 km; Rmss = 0.87 seconds; Gp = 133° Version =
Event ID	us 6000rdbz

(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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