2025-12-16 17:27:43 (M4.5) off the coast of Hokkaido, Japan 43.0 148.2 (90be5)

M4.5 Earthquake - off the coast of Hokkaido, Japan

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 16 Dec 2025 17:27:44 Time near the Epicenter (1): 17 Dec 2025 04:27:44 Time in your area (1): 16 Dec 2025 09:27:44
Location	42.955N 148.193E
Depth	60 km
Distances	151.7 km (94.0 mi) SE of Shikotan, Russia 216.9 km (134.5 mi) ESE of Nemuro, Japan 260.3 km (161.4 mi) ESE of Shibetsu, Japan 269.7 km (167.2 mi) ESE of Nakashibetsu, Japan 557.8 km (345.9 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 4.5 km; Vertical 9.9 km
Parameters	Nph = 38; Dmin = 427.1 km; Rmss = 0.49 seconds; Gp = 193° Version =
Event ID	us 6000rvb5

(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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