2025-08-20 21:39:04 (M4.4) off the west coast of northern Sumatra 2.8 92.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.4 Earthquake - off the west coast of northern Sumatra

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 20 Aug 2025 21:39:05 Time near the Epicenter (1): 21 Aug 2025 03:39:05 Time in your area (1): 20 Aug 2025 13:39:05
Location	2.765N 92.186E
Depth	10 km
Distances	463.6 km (287.4 mi) WSW of Meulaboh, Indonesia 465.1 km (288.4 mi) SW of Banda Aceh, Indonesia 467.4 km (289.8 mi) W of Sinabang, Indonesia 490.0 km (303.8 mi) SW of Sabang, Indonesia 509.4 km (315.9 mi) SW of Sigli, Indonesia
Location Uncertainty	Horizontal: 10.8 km; Vertical 1.9 km
Parameters	Nph = 46; Dmin = 594.0 km; Rmss = 0.57 seconds; Gp = 75° Version =
Event ID	us 6000r2m1

(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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