M 5.6 earthquake: North Pacific Ocean (Japan) — June 30, 1983

M 5.6 earthquake: North Pacific Ocean (Japan) — June 30, 1983. Epicenter 303 km NE of Kushiro, depth 42 km, 23:39 Local (1983-06-30 13:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (303 km NE, Japan) — 44.043, 147.837

EarthquakeLive.org