M 4.7 earthquake: North Pacific Ocean (Japan) — August 12, 1975

M 4.7 earthquake: North Pacific Ocean (Japan) — August 12, 1975. Epicenter 728 km S of Yokohama, depth 33 km, 12:25 Local (1975-08-12 03:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (728 km S, Japan) — 29.297, 142.303

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