M 5.1 earthquake: Philippine Sea (General Santos, Philippines) — October 7, 1978

M 5.1 earthquake: Philippine Sea (General Santos, Philippines) — October 7, 1978. Epicenter 75 km E of General Santos, depth 138 km, 10:33 Local (1978-10-07 02:33 UTC). Shaking felt by ~2.9M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (75 km E of General Santos, Philippines) — 5.991, 125.844

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