M 5.0 earthquake: North Pacific Ocean (Japan) — July 1, 1983

M 5.0 earthquake: North Pacific Ocean (Japan) — July 1, 1983. Epicenter 434 km NE of Kushiro, depth 50 km, 09:18 Local (1983-06-30 23:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (434 km NE, Japan) — 44.407, 149.404

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