M 4.6 earthquake: North Pacific Ocean (Japan) — January 20, 1998

M 4.6 earthquake: North Pacific Ocean (Japan) — January 20, 1998. Epicenter 266 km S of Yokohama, depth 76 km, 20:24 Local (1998-01-20 11:24 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (266 km S, Japan) — 33.159, 140.516

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