M 4.9 earthquake: North Pacific Ocean (Japan) — September 24, 1986

M 4.9 earthquake: North Pacific Ocean (Japan) — September 24, 1986. Epicenter 760 km S of Hamamatsu, depth 33 km, 21:04 Local (1986-09-24 12:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (760 km S, Japan) — 28.359, 140.684

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