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

M 4.7 earthquake: North Pacific Ocean (Japan) — December 6, 1974. Epicenter 588 km SE of Yokohama, depth 33 km, 17:51 Local (1974-12-06 08:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (588 km SE, Japan) — 30.638, 142.266

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