M 5.1 earthquake: North Pacific Ocean (Japan) — January 1, 1988

M 5.1 earthquake: North Pacific Ocean (Japan) — January 1, 1988. Epicenter 878 km S of Yokohama, depth 28 km, 10:03 Local (1988-01-01 00:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (878 km S, Japan) — 27.995, 142.736

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