M 4.9 Earthquake: North Pacific Ocean (Japan) — April 7, 1986

M 4.9 Earthquake: North Pacific Ocean (Japan) — April 7, 1986. Epicenter 779 km S of Hamamatsu, depth 33 km, 04:01 Local (1986-04-06 19:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (779 km S, Japan) — 28.133, 140.546

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