2026-03-22 16:00:18 (M5.6) Samoa Islands region -15.0 -173.0 (70fa9)

M5.6 Earthquake - Samoa Islands region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 22 Mar 2026 16:00:19 Time near the Epicenter (1): 23 Mar 2026 05:00:19 Time in your area (1): 22 Mar 2026 21:30:19
Location	14.965S 173.042W
Depth	10 km
Distances	136.1 km (84.4 mi) NE of Hihifo, Tonga 186.0 km (115.3 mi) SW of Apia, Samoa 263.3 km (163.2 mi) WSW of Pago Pago, American Samoa 720.3 km (446.6 mi) NNE of Nuku'alofa, Tonga 829.9 km (514.5 mi) ENE of Labasa, Fiji
Location Uncertainty	Horizontal: 8.5 km; Vertical 1.9 km
Parameters	Nph = 19; Dmin = 179.0 km; Rmss = 0.49 seconds; Gp = 84° Version =
Event ID	us 6000siia

(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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