M 5.9 earthquake: North Pacific Ocean (Japan) — July 20, 1984

M 5.9 earthquake: North Pacific Ocean (Japan) — July 20, 1984. Epicenter 280 km NE of Naha, depth 47 km, 08:25 Local (1984-07-19 23:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (280 km NE, Japan) — 28.106, 129.525

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