M 4.5 earthquake: North Pacific Ocean (Japan) — September 9, 1979

M 4.5 earthquake: North Pacific Ocean (Japan) — September 9, 1979. Epicenter 300 km SE of Yokohama, depth 41 km, 21:13 Local (1979-09-09 12:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (300 km SE, Japan) — 32.959, 140.913

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