2026-08-26 19:21:41 (M5.6) off the east coast of Honshu, Japan 38.1 143.8 (70fa9)

M5.6 Earthquake - off the east coast of Honshu, Japan

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 26 Aug 2026 19:21:42 Time near the Epicenter (1): 27 Aug 2026 05:21:42 Time in your area (1): 27 Aug 2026 00:51:42
Location	38.129N 143.848E
Depth	10 km
Distances	212.9 km (132.0 mi) E of Onagawa Chō, Japan 213.1 km (132.1 mi) ESE of Ōfunato, Japan 214.2 km (132.8 mi) SE of Kamaishi, Japan 218.0 km (135.2 mi) SE of Ōtsuchi, Japan 261.6 km (162.2 mi) E of Sendai, Japan
Location Uncertainty	Horizontal: 8.1 km; Vertical 1.8 km
Parameters	Nph = 137; Dmin = 380.3 km; Rmss = 0.79 seconds; Gp = 64° Version =
Event ID	us 7000tc18

(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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