M 4.6 earthquake: North Pacific Ocean (Japan) — November 28, 1983

M 4.6 earthquake: North Pacific Ocean (Japan) — November 28, 1983. Epicenter 509 km SE of Yokohama, depth 36 km, 14:46 Local (1983-11-28 05:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (509 km SE, Japan) — 31.228, 141.767

EarthquakeLive.org