M 4.9 earthquake: North Pacific Ocean (Japan) — August 7, 1983

M 4.9 earthquake: North Pacific Ocean (Japan) — August 7, 1983. Epicenter 425 km E of Kushiro, depth 33 km, 08:37 Local (1983-08-06 22:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (425 km E, Japan) — 44.288, 149.34

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