2025-06-21 21:23:17 (M6.1) off the coast of Hokkaido, Japan 42.9 146.5 (70fa9)

M6.1 Earthquake - off the coast of Hokkaido, Japan

Preliminary Report

Magnitude	6.1
Date-Time	Universal Time (UTC): 21 Jun 2025 21:23:17 Time near the Epicenter (1): 22 Jun 2025 07:23:17 Time in your area (1): 22 Jun 2025 02:53:17
Location	42.902N 146.504E
Depth	10 km
Distances	88.9 km (55.1 mi) ESE of Nemuro, Japan 139.6 km (86.5 mi) SE of Shibetsu, Japan 143.7 km (89.1 mi) ESE of Nakashibetsu, Japan 174.0 km (107.9 mi) E of Kushiro, Japan 420.7 km (260.8 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 7.8 km; Vertical 1.8 km
Parameters	Nph = 127; Dmin = 292.5 km; Rmss = 0.97 seconds; Gp = 48° Version =
Event ID	us 6000qlnz

(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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