2021-08-21 00:40:43 (M4.6) Yellow Sea 35.8 124.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - Yellow Sea

Preliminary Report

Magnitude	4.6
Date-Time	21 Aug 2021 00:40:43 UTC 21 Aug 2021 08:40:43 near epicenter 20 Aug 2021 16:40:43 standard time in your timezone
Location	35.809N 124.629E
Depth	10 km
Distances	173.1 km (107.3 mi) NW of Sinan, South Korea 180.6 km (111.9 mi) WNW of Yeonggwang, South Korea 187.1 km (116.0 mi) WSW of Boryeong, South Korea 188.9 km (117.1 mi) W of Gunsan, South Korea 191.0 km (118.4 mi) WNW of Muan, South Korea
Location Uncertainty	Horizontal: 7.1 km; Vertical 1.9 km
Parameters	Nph = 91; Dmin = 254.1 km; Rmss = 0.63 seconds; Gp = 60° Version =
Event ID	us 6000f97a

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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