M 4.6 earthquake: North Pacific Ocean (Japan) — January 15, 1980

M 4.6 earthquake: North Pacific Ocean (Japan) — January 15, 1980. Epicenter 506 km SE of Yokohama, depth 33 km, 17:33 Local (1980-01-15 08:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (506 km SE, Japan) — 31.24, 141.73

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