2023-01-22 00:28:00 (M4.2) northern Sumatra, Indonesia 2.0 99.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.2 Earthquake - northern Sumatra, Indonesia

Preliminary Report

Magnitude	4.2
Date-Time	22 Jan 2023 00:28:00 UTC 22 Jan 2023 07:28:00 near epicenter 21 Jan 2023 16:28:00 standard time in your timezone
Location	1.972N 98.986E
Depth	137 km
Distances	34.3 km (21.3 mi) NE of Sibolga, Indonesia 72.8 km (45.1 mi) NNW of Padangsidempuan, Indonesia 76.5 km (47.4 mi) S of Tomok Bolon, Indonesia 76.6 km (47.5 mi) S of Parapat, Indonesia 181.7 km (112.7 mi) SSE of Medan, Indonesia
Location Uncertainty	Horizontal: 6.1 km; Vertical 9.2 km
Parameters	Nph = 26; Dmin = 173.3 km; Rmss = 0.73 seconds; Gp = 97° Version =
Event ID	us 7000j65h

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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