M 4.9 earthquake: North Pacific Ocean (Japan) — October 22, 1974

M 4.9 earthquake: North Pacific Ocean (Japan) — October 22, 1974. Epicenter 566 km SE of Yokohama, depth 33 km, 17:39 Local (1974-10-22 08:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (566 km SE, Japan) — 30.74, 141.954

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