2023-02-28 00:25:56 (M4.1) Bonin Islands, Japan region 27.9 139.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.1 Earthquake - Bonin Islands, Japan region

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 28 Feb 2023 00:25:57 Time near the Epicenter (1): 28 Feb 2023 09:25:57 Time in your area (1): 27 Feb 2023 16:25:57
Location	27.941N 139.485E
Depth	507 km
Distances	724.2 km (449.0 mi) SSE of Shing?, Japan 748.0 km (463.8 mi) SSE of Owase, Japan 748.5 km (464.1 mi) S of ?yama, Japan 748.6 km (464.1 mi) S of Shimoda, Japan 787.9 km (488.5 mi) S of Shizuoka, Japan
Location Uncertainty	Horizontal: 9.8 km; Vertical 8.6 km
Parameters	Nph = 36; Dmin = 574.5 km; Rmss = 0.50 seconds; Gp = 145° Version =
Event ID	us 7000jg51

(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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