M 5.8 earthquake: North Pacific Ocean (Japan) — November 20, 1970

M 5.8 earthquake: North Pacific Ocean (Japan) — November 20, 1970. Epicenter 858 km S of Yokohama, depth 18 km, 23:46 Local (1970-11-20 13:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (858 km S, Japan) — 28.157, 142.642

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