M 4.6 earthquake: Philippine Sea (Naha, Japan) — July 16, 1983

M 4.6 earthquake: Philippine Sea (Naha, Japan) — July 16, 1983. Epicenter 273 km W of Naha, depth 20 km, 06:27 Local (1983-07-15 21:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (273 km W of Naha, Japan) — 25.525, 125.056

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