M 5.6 earthquake: North Pacific Ocean (Japan) — May 19, 1987

M 5.6 earthquake: North Pacific Ocean (Japan) — May 19, 1987. Epicenter 554 km S of Hamamatsu, depth 417 km, 09:14 Local (1987-05-19 00:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (554 km S, Japan) — 29.862, 139.067

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