2025-08-04 14:40:48 (M4.3) Hokkaido, Japan region 43.1 144.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - Hokkaido, Japan region

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 4 Aug 2025 14:40:49 Time near the Epicenter (1): 4 Aug 2025 23:40:49 Time in your area (1): 4 Aug 2025 06:40:49
Location	43.127N 144.842E
Depth	79 km
Distances	10.1 km (6.3 mi) N of Akkeshi, Japan 41.7 km (25.8 mi) ENE of Kushiro, Japan 48.0 km (29.8 mi) SSW of Nakashibetsu, Japan 63.4 km (39.3 mi) WSW of Nemuro, Japan 284.4 km (176.3 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 8.8 km; Vertical 5.1 km
Parameters	Nph = 39; Dmin = 185.6 km; Rmss = 0.47 seconds; Gp = 134° Version =
Event ID	us 6000qy1x

(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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