M 7.7 earthquake: Philippine Sea (Butuan, Philippines) — July 12, 1911

M 7.7 earthquake: Philippine Sea (Butuan, Philippines) — July 12, 1911. Epicenter 171 km E of Butuan, depth 15 km, 12:07 Local (1911-07-12 04:07 UTC). Shaking felt by ~58.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (171 km E of Butuan, Philippines) — 8.488, 127.029

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