M 4.5 earthquake: North Pacific Ocean (Japan) — October 16, 1988

M 4.5 earthquake: North Pacific Ocean (Japan) — October 16, 1988. Epicenter 461 km S of Hamamatsu, depth 392 km, 05:44 Local (1988-10-15 20:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (461 km S, Japan) — 30.65, 138.689

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