M 4.7 earthquake: North Pacific Ocean (Japan) — August 22, 1977

M 4.7 earthquake: North Pacific Ocean (Japan) — August 22, 1977. Epicenter 453 km NE of Kushiro, depth 45 km, 15:24 Local (1977-08-22 05:24 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (453 km NE, Japan) — 44.506, 149.597

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