M 5.1 earthquake: North Pacific Ocean (Japan) — January 20, 1979

M 5.1 earthquake: North Pacific Ocean (Japan) — January 20, 1979. Epicenter 267 km SE of Yokohama, depth 53 km, 13:55 Local (1979-01-20 04:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (267 km SE, Japan) — 33.383, 141.13

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