M 4.9 earthquake: Philippine Sea (General Santos, Philippines) — March 12, 1983

M 4.9 earthquake: Philippine Sea (General Santos, Philippines) — March 12, 1983. Epicenter 168 km SE of General Santos, depth 74 km, 15:21 Local (1983-03-12 07:21 UTC). Shaking felt by ~408K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (168 km SE of General Santos, Philippines) — 5.495, 126.56

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