78 km S of Kushiro, Japan

Gempa bumi berkekuatan M6 mengguncang 78 km S of Kushiro, Japan 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.