M 5.0 earthquake: Philippine Sea (Butuan, Philippines) — September 5, 1981

M 5.0 earthquake: Philippine Sea (Butuan, Philippines) — September 5, 1981. Epicenter 139 km E of Butuan, depth 54 km, 21:25 Local (1981-09-05 13:25 UTC). Shaking felt by ~1.6M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (139 km E of Butuan, Philippines) — 9.094, 126.805

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