M 4.7 earthquake: North Pacific Ocean (Japan) — September 6, 1974

M 4.7 earthquake: North Pacific Ocean (Japan) — September 6, 1974. Epicenter 593 km SE of Yokohama, depth 33 km, 02:40 Local (1974-09-05 17:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (593 km SE, Japan) — 30.483, 141.972

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