M 4.9 earthquake: North Pacific Ocean (Japan) — December 19, 1984

M 4.9 earthquake: North Pacific Ocean (Japan) — December 19, 1984. Epicenter 400 km NE of Kushiro, depth 33 km, 02:50 Local (1984-12-18 16:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (400 km NE, Japan) — 44.401, 148.942

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