M 6.8 earthquake: Philippine Sea (Naha, Japan) — August 12, 1923

M 6.8 earthquake: Philippine Sea (Naha, Japan) — August 12, 1923. Epicenter 157 km SE of Naha, depth 15 km, 19:06 Local (1923-08-12 10:06 UTC). Shaking felt by ~588K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (157 km SE of Naha, Japan) — 25.494, 129.031

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