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

M 4.5 earthquake: North Pacific Ocean (Japan) — May 16, 1988. Epicenter 731 km S of Yokohama, depth 33 km, 03:12 Local (1988-05-15 18:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (731 km S, Japan) — 29.282, 142.348

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