. "1976 Moro Gulf earthquake" . "Moro Gulf" . . "Mindanao on August 16, 1976." . . . "Mindanao" . "8.0 (Mw) earthquake on 16 August 1976" . "10000" . . "5000" . . . "A tsunami killed more than 5,000 people" . "'''1976'''" . "1976" . . . . "90000" . "1976 Moro Gulf earthquake" . . . "magnitude 7.9 earthquake" . . . "earthquake of 7.8 magnitude" . . . . "Moro Gulf earthquake" . .