M 5.9 earthquake: North Pacific Ocean (Japan) — February 20, 1981

M 5.9 earthquake: North Pacific Ocean (Japan) — February 20, 1981. Epicenter 439 km NE of Kushiro, depth 33 km, 05:36 Local (1981-02-19 19:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (439 km NE, Japan) — 44.639, 149.342

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