M 4.7 Earthquake: Philippine Sea (Naha, Japan) — July 13, 1991

M 4.7 Earthquake: Philippine Sea (Naha, Japan) — July 13, 1991. Epicenter 317 km SW of Naha, depth 37 km, 21:44 Local (1991-07-13 13:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (317 km SW of Naha, Japan) — 23.904, 125.81

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