M 4.8 earthquake: North Pacific Ocean (Japan) — December 18, 1984

M 4.8 earthquake: North Pacific Ocean (Japan) — December 18, 1984. Epicenter 423 km E of Kushiro, depth 33 km, 16:14 Local (1984-12-18 06:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (423 km E, Japan) — 44.113, 149.382

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