M 4.8 earthquake: Philippine Sea (Cotabato, Philippines) — August 26, 1976

M 4.8 earthquake: Philippine Sea (Cotabato, Philippines) — August 26, 1976. Epicenter 73 km SW of Cotabato, depth 52 km, 01:44 Local (1976-08-25 17:44 UTC). Shaking felt by ~3.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (73 km SW of Cotabato, Philippines) — 6.831, 123.711