M 4.6 earthquake: North Pacific Ocean (Japan) — November 21, 1976

M 4.6 earthquake: North Pacific Ocean (Japan) — November 21, 1976. Epicenter 560 km S of Hamamatsu, depth 429 km, 18:23 Local (1976-11-21 09:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (560 km S, Japan) — 29.89, 139.43

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