Keywords: Tsunami hit lebak.jpg en Moro Gulf Philippines Earthquake August 16 1976 Tsunami damage at Lebak Mindanao caused by the magnitude 7 8 earthquake Back cover Earthquake Information Bulletin v 9 no 6 1976-08 http //libraryphoto cr usgs gov/cgi-bin/show_picture cgi ID ID 20Earthquake 20Information 20Bulletin 20212 SIZE large <br>U S Geological Survey Photographic Library USGS PD-USGov PD-USGov-Interior-USGS Uploaded with UploadWizard United States Geological Survey Tsunami in the Philippines Lebak Sultan Kudarat Earthquakes in the Philippines Earthquake damage |