2023-10-21 15:40:21 (M4.7) Izu Islands, Japan region 31.8 142.3 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.7 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 21 Oct 2023 15:40:22 Time near the Epicenter (1): 22 Oct 2023 00:40:22 Time in your area (1): 21 Oct 2023 07:40:22
Location	31.811N 142.337E
Depth	17 km
Distances	414.9 km (257.2 mi) SSE of Katsuura, Japan 419.6 km (260.1 mi) SSE of Kamogawa, Japan 420.2 km (260.6 mi) SSE of Tateyama, Japan 421.8 km (261.5 mi) SSE of ?hara, Japan 467.9 km (290.1 mi) SSE of Chiba, Japan
Location Uncertainty	Horizontal: 7.5 km; Vertical 3.0 km
Parameters	Nph = 42; Dmin = 277.8 km; Rmss = 0.56 seconds; Gp = 136° Version =
Event ID	us 6000lh68

(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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