Easter Island Rapa Nui is a tiny speck of land in the South Pacific. Formed by a series of massive volcanic eruptions, the island was only easter island from spaceinhabited by sea birds and dragonflies for millions of years. Its steep slopes. The first settlers on Easter Island didn't arrive until 1200 AD, up to 800 years. One of the world's most famous yet least visited archaeological sites, Easter Island is a small, hilly, now treeless island of volcanic origin.