2025-03-27 18:50:40 (M4.6) near the east coast of Honshu, Japan 35.3 140.3 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.6 Earthquake - near the east coast of Honshu, Japan

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 27 Mar 2025 18:50:40 Time near the Epicenter (1): 28 Mar 2025 03:50:40 Time in your area (1): 27 Mar 2025 10:50:40
Location	35.304N 140.295E
Depth	52 km
Distances	5.0 km (3.1 mi) ENE of Ōtaki, Japan 10.8 km (6.7 mi) SW of Ichinomiya, Japan 10.9 km (6.8 mi) NW of Ōhara, Japan 13.5 km (8.3 mi) S of Mobara, Japan 36.6 km (22.7 mi) SSE of Chiba, Japan
Location Uncertainty	Horizontal: 6.5 km; Vertical 7.2 km
Parameters	Nph = 68; Dmin = 233.6 km; Rmss = 0.52 seconds; Gp = 121° Version =
Event ID	us 7000pn5c

(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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