2021-12-12 03:21:27 (M4.7) eastern Sea of Japan 44.5 141.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - eastern Sea of Japan

Preliminary Report

Magnitude	4.7
Date-Time	12 Dec 2021 03:21:27 UTC 12 Dec 2021 12:21:27 near epicenter 11 Dec 2021 19:21:27 standard time in your timezone
Location	44.481N 140.958E
Depth	255 km
Distances	77.7 km (48.2 mi) SSW of Rishiri Town, Japan 81.8 km (50.7 mi) NW of Rumoi, Japan 117.6 km (72.9 mi) SSW of Wakkanai, Japan 120.1 km (74.5 mi) SW of Makubetsu, Japan 160.3 km (99.4 mi) NNW of Sapporo, Japan
Location Uncertainty	Horizontal: 8.3 km; Vertical 6.7 km
Parameters	Nph = 96; Dmin = 136.6 km; Rmss = 0.81 seconds; Gp = 47° Version =
Event ID	us 6000gbjz

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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