M 4.5 earthquake: North Pacific Ocean (Japan) — January 20, 1977

M 4.5 earthquake: North Pacific Ocean (Japan) — January 20, 1977. Epicenter 316 km E of Kushiro, depth 44 km, 18:02 Local (1977-01-20 08:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (316 km E, Japan) — 43.79, 148.122

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