M 4.6 earthquake: Philippine Sea (General Santos, Philippines) — January 28, 1988

M 4.6 earthquake: Philippine Sea (General Santos, Philippines) — January 28, 1988. Epicenter 172 km SE of General Santos, depth 33 km, 22:26 Local (1988-01-28 14:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (172 km SE of General Santos, Philippines) — 5.249, 126.462

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