M 4.5 earthquake: North Pacific Ocean (Japan) — August 12, 1975

M 4.5 earthquake: North Pacific Ocean (Japan) — August 12, 1975. Epicenter 679 km SE of Yokohama, depth 77 km, 11:10 Local (1975-08-12 02:10 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (679 km SE, Japan) — 29.763, 142.302

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