M 5.2 earthquake: Philippine Sea (General Santos, Philippines) — May 27, 1978

M 5.2 earthquake: Philippine Sea (General Santos, Philippines) — May 27, 1978. Epicenter 186 km E of General Santos, depth 77 km, 22:58 Local (1978-05-27 14:58 UTC). Shaking felt by ~2.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (186 km E of General Santos, Philippines) — 5.779, 126.826

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