M 4.7 earthquake: Philippine Sea (Cotabato, Philippines) — August 28, 1976

M 4.7 earthquake: Philippine Sea (Cotabato, Philippines) — August 28, 1976. Epicenter 76 km W of Cotabato, depth 34 km, 23:40 Local (1976-08-28 15:40 UTC). Shaking felt by ~4.2M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (76 km W of Cotabato, Philippines) — 7.041, 123.581

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