Komodo island has a great and unique position respect to the Sunda Banda archipelagoes, it is one of the biggest island on the East Nusa Tenggara region beside Flores and Timor. It represents an isolated sliver of probable continental crust to the south of active volcanic islands (Sumbawa, Flores ) within the forearc basin (Fig.1). It is situated to the north of passage from the Java Trench (subduction front) to the Timor Through (collision front). It does not show still the effects of strong compression in contrast to islands of the outer arc system (Savu, Roti, Timor), while the magmatic units make up a substantial part of the Late Cretaceous to Paleogene stratigraphy.
Sumba island covers an area of 11,150 square km which is now populated by about 350,000 people. Generally the climate similar to other part of Indonesia where a dry season (May to November), and a rainy season (December to April). The island of Sumba is well known of its sandlewood, horses, impressive megalithic tombs, typical hand woven textile ("ikat"), and still untouched beautiful beaches. There are two entering point in to Sumba island from anywhere in the Lesser Waingapu & Waikabubak (Tambolaka). These are the people could enter
