2025-08-01 22:27:35 (M5.5) Hokkaido, Japan region 42.4 145.7 (70fa9)

M5.5 Earthquake - Hokkaido, Japan region

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 1 Aug 2025 22:27:35 Time near the Epicenter (1): 2 Aug 2025 08:27:35 Time in your area (1): 2 Aug 2025 03:57:35
Location	42.357N 145.656E
Depth	10 km
Distances	100.1 km (62.0 mi) SE of Akkeshi, Japan 107.6 km (66.7 mi) S of Nemuro, Japan 125.5 km (77.8 mi) ESE of Kushiro, Japan 143.6 km (89.1 mi) SSE of Nakashibetsu, Japan 361.4 km (224.1 mi) ESE of Sapporo, Japan
Location Uncertainty	Horizontal: 6.9 km; Vertical 1.7 km
Parameters	Nph = 103; Dmin = 210.1 km; Rmss = 1.44 seconds; Gp = 91° Version =
Event ID	us 6000qxja

(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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