M 4.7 earthquake: North Pacific Ocean (Japan) — December 4, 1976

M 4.7 earthquake: North Pacific Ocean (Japan) — December 4, 1976. Epicenter 760 km S of Hamamatsu, depth 541 km, 18:06 Local (1976-12-04 09:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (760 km S, Japan) — 27.945, 138.833

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