M 4.7 earthquake: Philippine Sea (Naha, Japan) — January 18, 1983

M 4.7 earthquake: Philippine Sea (Naha, Japan) — January 18, 1983. Epicenter 139 km SW of Naha, depth 51 km, 04:06 Local (1983-01-17 19:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (139 km SW of Naha, Japan) — 25.654, 126.424

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