M 4.7 earthquake: North Pacific Ocean (Japan) — August 4, 1998

M 4.7 earthquake: North Pacific Ocean (Japan) — August 4, 1998. Epicenter 751 km S of Hamamatsu, depth 516 km, 15:00 Local (1998-08-04 06:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (751 km S, Japan) — 28.109, 139.383

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