M 4.9 earthquake: Philippine Sea (Butuan, Philippines) — February 14, 1981

M 4.9 earthquake: Philippine Sea (Butuan, Philippines) — February 14, 1981. Epicenter 117 km NE of Butuan, depth 56 km, 20:05 Local (1981-02-14 12:05 UTC). Shaking felt by ~1.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (117 km NE of Butuan, Philippines) — 9.397, 126.508

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