M 4.5 earthquake: North Pacific Ocean (Japan) — August 1, 1984

M 4.5 earthquake: North Pacific Ocean (Japan) — August 1, 1984. Epicenter 339 km S of Yokohama, depth 90 km, 19:16 Local (1984-08-01 10:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (339 km S, Japan) — 32.51, 140.666

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