M 4.9 earthquake: North Pacific Ocean (Japan) — September 24, 1979

M 4.9 earthquake: North Pacific Ocean (Japan) — September 24, 1979. Epicenter 466 km SE of Yokohama, depth 56 km, 22:41 Local (1979-09-24 13:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (466 km SE, Japan) — 31.567, 141.539

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