M 4.6 earthquake: North Pacific Ocean (Japan) — December 14, 1986

M 4.6 earthquake: North Pacific Ocean (Japan) — December 14, 1986. Epicenter 450 km S of Hamamatsu, depth 409 km, 17:39 Local (1986-12-14 08:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (450 km S, Japan) — 30.736, 138.608

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