M 4.5 earthquake: North Pacific Ocean (Japan) — February 15, 1991

M 4.5 earthquake: North Pacific Ocean (Japan) — February 15, 1991. Epicenter 267 km NE of Naha, depth 39 km, 21:38 Local (1991-02-15 12:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (267 km NE, Japan) — 27.818, 129.666

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