M 4.8 earthquake: Philippine Sea (Cotabato, Philippines) — April 18, 1988

M 4.8 earthquake: Philippine Sea (Cotabato, Philippines) — April 18, 1988. Epicenter 86 km SW of Cotabato, depth 33 km, 09:59 Local (1988-04-18 01:59 UTC). Shaking felt by ~3.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (86 km SW of Cotabato, Philippines) — 6.755, 123.62

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