M 4.6 earthquake: Philippine Sea (Butuan, Philippines) — October 7, 1981

M 4.6 earthquake: Philippine Sea (Butuan, Philippines) — October 7, 1981. Epicenter 89 km E of Butuan, depth 89 km, 13:40 Local (1981-10-07 05:40 UTC). Shaking felt by ~1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (89 km E of Butuan, Philippines) — 8.977, 126.352

EarthquakeLive.org