M 5.6 earthquake: Philippine Sea (General Santos, Philippines) — November 9, 1971

M 5.6 earthquake: Philippine Sea (General Santos, Philippines) — November 9, 1971. Epicenter 145 km E of General Santos, depth 170 km, 06:43 Local (1971-11-08 22:43 UTC). Shaking felt by ~2.3M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (145 km E of General Santos, Philippines) — 5.737, 126.433

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