M 4.8 earthquake: North Pacific Ocean (Japan) — August 1, 1984

M 4.8 earthquake: North Pacific Ocean (Japan) — August 1, 1984. Epicenter 870 km S of Hamamatsu, depth 453 km, 10:03 Local (1984-08-01 01:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (870 km S, Japan) — 27.169, 140.137

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