M 4.6 earthquake: North Pacific Ocean (Japan) — January 10, 1977

M 4.6 earthquake: North Pacific Ocean (Japan) — January 10, 1977. Epicenter 448 km SE of Yokohama, depth 71 km, 02:30 Local (1977-01-09 17:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (448 km SE, Japan) — 31.765, 141.601

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