187 km SSE of Mata-Utu, Wallis and Futuna

Gempa bumi berkekuatan M6.6 mengguncang 187 km SSE of Mata-Utu, Wallis and Futuna pada kedalaman 10 km. Peristiwa seismik recent ini dicatat dan dianalisis oleh Survei Geologi Amerika Serikat.This earthquake occurred in a subduction zone, where one plate descends beneath another into the mantle. Subduction zones generate the planet's most powerful earthquakes.