M 5.0 earthquake: Philippine Sea (General Santos, Philippines) — September 18, 1981

M 5.0 earthquake: Philippine Sea (General Santos, Philippines) — September 18, 1981. Epicenter 97 km E of General Santos, depth 82 km, 09:35 Local (1981-09-18 01:35 UTC). Shaking felt by ~4.6M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (97 km E of General Santos, Philippines) — 6.006, 126.048

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