M 6.4 Earthquake: Philippine Sea (Naha, Japan) — October 28, 1943

M 6.4 Earthquake: Philippine Sea (Naha, Japan) — October 28, 1943. Epicenter 306 km SW of Naha, depth 35 km, 01:11 Local (1943-10-27 16:11 UTC). Shaking felt by ~14.2M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (306 km SW of Naha, Japan) — 24.601, 125.205

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