M 5.8 earthquake: North Pacific Ocean (Japan) — October 2, 1987

M 5.8 earthquake: North Pacific Ocean (Japan) — October 2, 1987. Epicenter 846 km S of Hamamatsu, depth 464 km, 16:38 Local (1987-10-02 07:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (846 km S, Japan) — 27.346, 139.942

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