M 5.7 earthquake: North Pacific Ocean (Japan) — March 5, 1984

M 5.7 earthquake: North Pacific Ocean (Japan) — March 5, 1984. Epicenter 682 km S of Hamamatsu, depth 460 km, 20:00 Local (1984-03-05 11:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (682 km S, Japan) — 28.726, 139.252

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