M 4.7 earthquake: Philippine Sea (Naha, Japan) — April 4, 1991

M 4.7 earthquake: Philippine Sea (Naha, Japan) — April 4, 1991. Epicenter 181 km SW of Naha, depth 33 km, 05:22 Local (1991-04-03 20:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (181 km SW of Naha, Japan) — 25.158, 126.293

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