M 5.0 earthquake: North Pacific Ocean (Japan) — October 27, 1983

M 5.0 earthquake: North Pacific Ocean (Japan) — October 27, 1983. Epicenter 447 km SE of Yokohama, depth 33 km, 12:15 Local (1983-10-27 03:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (447 km SE, Japan) — 31.743, 141.512

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