M 4.5 earthquake: North Pacific Ocean (Japan) — September 27, 1991

M 4.5 earthquake: North Pacific Ocean (Japan) — September 27, 1991. Epicenter 341 km S of Yokohama, depth 103 km, 05:38 Local (1991-09-26 20:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (341 km S, Japan) — 32.469, 140.567

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