M 4.9 Earthquake: North Pacific Ocean (Japan) — April 19, 1986

M 4.9 Earthquake: North Pacific Ocean (Japan) — April 19, 1986. Epicenter 797 km S of Yokohama, depth 33 km, 08:52 Local (1986-04-18 23:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (797 km S, Japan) — 28.681, 142.453

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