M 4.7 earthquake: North Pacific Ocean (Japan) — December 18, 1984

M 4.7 earthquake: North Pacific Ocean (Japan) — December 18, 1984. Epicenter 405 km NE of Kushiro, depth 33 km, 10:10 Local (1984-12-18 00:10 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (405 km NE, Japan) — 44.568, 148.91

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