2021-09-18 20:42:37 (M4.6) off the east coast of Honshu, Japan 34.3 141.1 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

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

Preliminary Report

Magnitude	4.6
Date-Time	18 Sep 2021 20:42:37 UTC 19 Sep 2021 05:42:37 near epicenter 18 Sep 2021 12:42:37 standard time in your timezone
Location	34.290N 141.139E
Depth	10 km
Distances	121.3 km (75.2 mi) SE of Katsuura, Japan 126.2 km (78.3 mi) SSE of ?hara, Japan 130.6 km (81.0 mi) SE of Kamogawa, Japan 139.7 km (86.6 mi) SE of Tateyama, Japan 172.7 km (107.1 mi) SSE of Chiba, Japan
Location Uncertainty	Horizontal: 7.4 km; Vertical 1.9 km
Parameters	Nph = 25; Dmin = 179.0 km; Rmss = 0.85 seconds; Gp = 136° Version =
Event ID	us 7000fchw

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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