M 4.9 earthquake: North Pacific Ocean (Japan) — August 31, 1974

M 4.9 earthquake: North Pacific Ocean (Japan) — August 31, 1974. Epicenter 409 km NE of Kushiro, depth 56 km, 19:38 Local (1974-08-31 09:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (409 km NE, Japan) — 44.527, 148.992

EarthquakeLive.org