M 5.4 earthquake: North Pacific Ocean (Japan) — December 18, 1984

M 5.4 earthquake: North Pacific Ocean (Japan) — December 18, 1984. Epicenter 414 km E of Kushiro, depth 33 km, 13:42 Local (1984-12-18 03:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (414 km E, Japan) — 44.254, 149.203

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