2025-07-24 23:37:56 UPDATED: (M6.6) Samoa Islands region -14.8 -175.7 (70fa9)

M6.6 Earthquake - Samoa Islands region

Preliminary Report

Magnitude	6.6
Date-Time	Universal Time (UTC): 24 Jul 2025 23:37:57 Time near the Epicenter (1): 25 Jul 2025 11:37:57 Time in your area (1): 25 Jul 2025 05:07:57
Location	14.815S 175.720W
Depth	314 km
Distances	176.6 km (109.5 mi) SSE of Mata-Utu, Wallis and Futuna 242.0 km (150.0 mi) WNW of Hihifo, Tonga 440.1 km (272.9 mi) WSW of Apia, Samoa 544.0 km (337.3 mi) W of Pago Pago, American Samoa 556.6 km (345.1 mi) ENE of Labasa, Fiji
Location Uncertainty	Horizontal: 9.2 km; Vertical 7.5 km
Parameters	Nph = 75; Dmin = 436.0 km; Rmss = 0.98 seconds; Gp = 55° Version =
Event ID	us 6000quy1

(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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