...damage done by this current natural catastrophe. Vanuatu sits on the Pacific Ring of Fire... the northern islands. The population of Vanuatu is 94%% indigenous Melanesian. About 33,... on Tanna Island. The prehistory of Vanuatu is obscure; archaeological evidence supports the ... 1980, the Republic of Vanuatu was created. Cause of Earthquake The quake phenomenon is explained stress on the ...