M 4.6 earthquake: North Pacific Ocean (Japan) — July 9, 1974

M 4.6 earthquake: North Pacific Ocean (Japan) — July 9, 1974. Epicenter 870 km S of Hamamatsu, depth 425 km, 16:01 Local (1974-07-09 07:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (870 km S, Japan) — 27.146, 140.045

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