M 5.4 earthquake: North Pacific Ocean (Japan) — July 1, 1983

M 5.4 earthquake: North Pacific Ocean (Japan) — July 1, 1983. Epicenter 445 km NE of Kushiro, depth 33 km, 12:23 Local (1983-07-01 02:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (445 km NE, Japan) — 44.483, 149.503

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