M 4.6 earthquake: Philippine Sea (Naha, Japan) — April 15, 1983

M 4.6 earthquake: Philippine Sea (Naha, Japan) — April 15, 1983. Epicenter 287 km SW of Naha, depth 30 km, 02:23 Local (1983-04-14 17:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (287 km SW of Naha, Japan) — 24.831, 125.255

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