M 4.6 earthquake: North Pacific Ocean (Japan) — December 6, 1984

M 4.6 earthquake: North Pacific Ocean (Japan) — December 6, 1984. Epicenter 384 km SE of Yokohama, depth 33 km, 04:06 Local (1984-12-05 19:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (384 km SE, Japan) — 32.333, 141.44

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