M 4.5 earthquake: North Pacific Ocean (Japan) — February 18, 1984

M 4.5 earthquake: North Pacific Ocean (Japan) — February 18, 1984. Epicenter 992 km SE of Yokohama, depth 33 km, 14:41 Local (1984-02-18 04:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (992 km SE, Japan) — 27.24, 143.747

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