M 4.7 earthquake: North Pacific Ocean (Japan) — September 19, 1984

M 4.7 earthquake: North Pacific Ocean (Japan) — September 19, 1984. Epicenter 250 km SE of Yokohama, depth 34 km, 10:46 Local (1984-09-19 01:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (250 km SE, Japan) — 33.836, 141.533

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