2021-12-15 18:58:16 (M4.6) Izu Islands, Japan region 31.3 142.3 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	4.6
Date-Time	15 Dec 2021 18:58:17 UTC 16 Dec 2021 03:58:17 near epicenter 15 Dec 2021 10:58:17 standard time in your timezone
Location	31.339N 142.330E
Depth	10 km
Distances	462.1 km (286.5 mi) SSE of Katsuura, Japan 464.8 km (288.2 mi) SSE of Tateyama, Japan 465.7 km (288.7 mi) SSE of Kamogawa, Japan 469.5 km (291.1 mi) SSE of ?hara, Japan 515.4 km (319.5 mi) SSE of Chiba, Japan
Location Uncertainty	Horizontal: 10.3 km; Vertical 1.9 km
Parameters	Nph = 46; Dmin = 308.1 km; Rmss = 0.77 seconds; Gp = 136° Version =
Event ID	us 6000gcis

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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