Abstract

The eastern coast of Lampung Province is located between the sloping subduction transitional zone of the Eurasian Plate and the Indo-Australian Plate along the Sumatra Island and steep subduction along the Java Island. The historical intensity of earthquake events in the Sunda Strait indicates that this region has experienced the earthquake and tsunami effects from the subduction zone. On December 22, 2018, the latest tsunami occurred and was caused by Anak Krakatau's eruption activity. Remote sensing technology has the potential capability to model tsunami inundation and loss estimation when collaborating with geographic information system technology. This research is conducted to model tsunami inundation and estimate the loss caused by the tsunami on the east coast of Lampung Province. Several inundation scenarios were used; there are 1-5 meters, 5-10 meters, and 20 meters wave highs. Based on the model, the 1-5 meters inundation did not affect a wide area. Bandar Lampung, Tanggamus, and Lampung Selatan are located in potential tsunami hazard from the inundation modeling. The most affected areas by tsunami inundation are productive areas include dryland farming and paddy field. The modeling proves that the extent of tsunami inundated areas is directly proportional to the tsunami's wave height.

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