M 4.9 earthquake: North Pacific Ocean (Japan) — October 27, 1983

M 4.9 earthquake: North Pacific Ocean (Japan) — October 27, 1983. Epicenter 444 km SE of Yokohama, depth 33 km, 13:38 Local (1983-10-27 04:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (444 km SE, Japan) — 31.788, 141.559

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