M 5.9 earthquake: North Pacific Ocean (Japan) — December 12, 1976

M 5.9 earthquake: North Pacific Ocean (Japan) — December 12, 1976. Epicenter 763 km S of Hamamatsu, depth 491 km, 10:08 Local (1976-12-12 01:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (763 km S, Japan) — 28.043, 139.575

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