M 4.6 earthquake: North Pacific Ocean (Japan) — August 6, 1973

M 4.6 earthquake: North Pacific Ocean (Japan) — August 6, 1973. Epicenter 268 km S of Yokohama, depth 67 km, 22:13 Local (1973-08-06 13:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (268 km S, Japan) — 33.153, 140.567

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