M 4.9 earthquake: Philippine Sea (General Santos, Philippines) — May 8, 1991

M 4.9 earthquake: Philippine Sea (General Santos, Philippines) — May 8, 1991. Epicenter 176 km SW of General Santos, depth 550 km, 19:06 Local (1991-05-08 11:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (176 km SW of General Santos, Philippines) — 5.242, 123.841

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