M 5.4 earthquake: North Pacific Ocean (Japan) — October 20, 1976

M 5.4 earthquake: North Pacific Ocean (Japan) — October 20, 1976. Epicenter 479 km S of Yokohama, depth 69 km, 02:41 Local (1976-10-19 17:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (479 km S, Japan) — 31.334, 141.181

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