223 km ESE of Attu Station, Alaska

Gempa bumi berkekuatan M6.4 mengguncang 223 km ESE of Attu Station, Alaska 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.