M 4.6 earthquake: North Pacific Ocean (Japan) — March 16, 1981

M 4.6 earthquake: North Pacific Ocean (Japan) — March 16, 1981. Epicenter 275 km SW of Kanoya, depth 33 km, 05:25 Local (1981-03-15 20:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (275 km SW, Japan) — 29.247, 129.401

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