2025-04-21 18:23:46 (M4.1) Hokkaido, Japan region 41.8 143.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.1 Earthquake - Hokkaido, Japan region

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 21 Apr 2025 18:23:47 Time near the Epicenter (1): 22 Apr 2025 04:23:47 Time in your area (1): 21 Apr 2025 10:23:47
Location	41.781N 143.435E
Depth	37 km
Distances	56.8 km (35.2 mi) SSE of Hiroo, Japan 68.1 km (42.2 mi) SE of Urakawa, Japan 107.6 km (66.7 mi) SE of Shizunai-furukawachō, Japan 127.6 km (79.1 mi) S of Obihiro, Japan 223.2 km (138.4 mi) SE of Sapporo, Japan
Location Uncertainty	Horizontal: 7.4 km; Vertical 7.4 km
Parameters	Nph = 41; Dmin = 34.7 km; Rmss = 0.84 seconds; Gp = 149° Version =
Event ID	us 7000pu1w

(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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