2023-10-21 02:42:21 (M4.6) Izu Islands, Japan region 31.9 141.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.6 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 21 Oct 2023 02:42:21 Time near the Epicenter (1): 21 Oct 2023 11:42:21 Time in your area (1): 20 Oct 2023 18:42:21
Location	31.912N 141.896E
Depth	10 km
Distances	387.6 km (240.3 mi) SSE of Katsuura, Japan 389.4 km (241.4 mi) SSE of Tateyama, Japan 390.7 km (242.2 mi) SSE of Kamogawa, Japan 395.4 km (245.2 mi) SSE of ?hara, Japan 441.0 km (273.4 mi) SSE of Chiba, Japan
Location Uncertainty	Horizontal: 10.3 km; Vertical 1.9 km
Parameters	Nph = 35; Dmin = 236.9 km; Rmss = 0.65 seconds; Gp = 136° Version =
Event ID	us 6000lh2u

(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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