M 6.4 earthquake: North Pacific Ocean (Japan) — December 28, 1942

M 6.4 earthquake: North Pacific Ocean (Japan) — December 28, 1942. Epicenter 497 km SE of Yokohama, depth 15 km, 01:39 Local (1942-12-27 16:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (497 km SE, Japan) — 31.371, 141.849

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