2023-04-21 21:10:45 (M4.5) southwestern Ryukyu Islands, Japan 23.8 123.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 21 Apr 2023 21:10:46 Time near the Epicenter (1): 22 Apr 2023 06:10:46 Time in your area (1): 21 Apr 2023 13:10:46
Location	23.799N 123.433E
Depth	33 km
Distances	86.0 km (53.3 mi) SSE of Yonakuni, Japan 95.3 km (59.1 mi) SW of Ishigaki, Japan 187.2 km (116.1 mi) E of Hualien City, Taiwan 200.8 km (124.5 mi) ESE of Yilan, Taiwan 280.4 km (173.8 mi) E of Zhongxing New Village, Taiwan
Location Uncertainty	Horizontal: 6.7 km; Vertical 5.9 km
Parameters	Nph = 54; Dmin = 85.4 km; Rmss = 0.80 seconds; Gp = 124° Version =
Event ID	us 6000k679

(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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