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The aim of this study is to calculate the rifting and lifting phase of Neogene age in the Biak - Yapen Basin region, related to the prediction of an oil and gas trap zone based on the analogy of the surface measurement trajectory. The methodology used is the measurement of geological structures on the surface and in the data analysis using Delvaux, 1997 and Zoback, 2007 concept. Based on the structure measurement in outcrop, there are 78 stations along Biak Island and Supiori Island, which will be used and projected as an analogy to the offshore basin. Statistically in the archipelago shows that there are three times rifting phase domination candidates categorized as maximum intensity and a lifting phase candidates are also categorized as maximum intensity. There are three times rifting phase with movement direction, σ-3 is relatively horizontal, consisting of NE-SW direction with an intensity of 15.60% rifting aged Middle to Late Miocene, ENE-WSW direction with intensity 13.30% rifting aged Late Miocene to Pliocene and finally from the W-E direction with an intensity of 17.80% rifting aged Pleistocene. The three rifting phases are followed by sedimentation of carbonate rock from the Middle Miocene to the Pleistocene aged which consists of Napisendi Fm, Korem Fm, Wardo Fm, and Mokmer Fm. The lifting phase once occurred with the compressional direction, σ-1 is relatively horizontal, directed at W-E with an intensity of 21.20% lifting aged Pleistocene to Resen. This phase has elevated formations from the age of the Late Oligocene to the Pleistocene in the archipelago.

Rifting and Lifting Neogene Age in Biak-Yapen Basin Based on Structural Trajectory Analogy in Biak and Supiori Island