M 4.5 earthquake: North Pacific Ocean (Japan) — November 20, 1983

M 4.5 earthquake: North Pacific Ocean (Japan) — November 20, 1983. Epicenter 268 km SE of Yokohama, depth 45 km, 04:25 Local (1983-11-19 19:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (268 km SE, Japan) — 33.802, 141.761

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