M 4.8 earthquake: North Pacific Ocean (Japan) — October 14, 1984

M 4.8 earthquake: North Pacific Ocean (Japan) — October 14, 1984. Epicenter 638 km SE of Yokohama, depth 33 km, 22:19 Local (1984-10-14 12:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (638 km SE, Japan) — 30.283, 142.629

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