M 5.4 earthquake: Philippine Sea (General Santos, Philippines) — February 1, 1981

M 5.4 earthquake: Philippine Sea (General Santos, Philippines) — February 1, 1981. Epicenter 135 km SE of General Santos, depth 70 km, 20:22 Local (1981-02-01 12:22 UTC). Shaking felt by ~1.7M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (135 km SE of General Santos, Philippines) — 5.499, 126.227

EarthquakeLive.org