2025-03-17 22:23:38 (M5.5) northern Sumatra, Indonesia 2.0 99.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M5.5 Earthquake - northern Sumatra, Indonesia

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 17 Mar 2025 22:23:38 Time near the Epicenter (1): 18 Mar 2025 05:23:38 Time in your area (1): 17 Mar 2025 14:23:38
Location	1.962N 99.182E
Depth	51 km
Distances	50.9 km (31.5 mi) ENE of Sibolga, Indonesia 64.0 km (39.7 mi) W of Bandar, Indonesia 65.2 km (40.4 mi) N of Padangsidempuan, Indonesia 74.1 km (45.9 mi) WSW of Rantauprapat, Indonesia 188.2 km (116.7 mi) SSE of Medan, Indonesia
Location Uncertainty	Horizontal: 7.3 km; Vertical 2.2 km
Parameters	Nph = 102; Dmin = 437.8 km; Rmss = 0.88 seconds; Gp = 56° Version =
Event ID	us 6000pzf4

(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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