2025-08-29 16:29:21 (M5.5) near the east coast of Honshu, Japan 38.4 142.2 (70fa9)

M5.5 Earthquake - near the east coast of Honshu, Japan

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 29 Aug 2025 16:29:21 Time near the Epicenter (1): 30 Aug 2025 01:29:21 Time in your area (1): 29 Aug 2025 21:59:21
Location	38.369N 142.163E
Depth	44 km
Distances	63.0 km (39.1 mi) E of Onagawa Chō, Japan 75.6 km (46.9 mi) E of Ishinomaki, Japan 83.1 km (51.5 mi) E of Yamoto, Japan 86.1 km (53.4 mi) E of Higashimatsushima, Japan 113.9 km (70.6 mi) E of Sendai, Japan
Location Uncertainty	Horizontal: 7.7 km; Vertical 7.3 km
Parameters	Nph = 51; Dmin = 284.9 km; Rmss = 0.86 seconds; Gp = 100° Version =
Event ID	us 7000qrw3

(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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