Analysis of the tsunami disaster evacuation lane in Palu based on satellite imagery

Abstract

Palu is one of the areas which frequently occurs earthquakes and has high seismicity which causes frequent earthquakes. This area has caused earthquakes and tsunamis which through the largest fatalities. The total number of 1,636 people who don’t have knowledge and information about safety areas or compilation of safe nodes evacuation lane for disasters. The purpose of this study was for analyze the location of safe nodes evacuation lane points from floods and tsunamis in Palu City. The analytical method in this study was used inaSAFE analysis with the open-source QGIS assistance program and complies with 7 indicators from safe nodes evacuation lane requirements. The location of this research was in Palu Central of Sulawesi, specifically a road around the coast and near the river that crosses the city of Palu. In this research, the results obtained 5 points that have planned based on EMBT indicators between 2 mosques, 1 field and 2 schools at level 5 of sea-level rise. The increased of sea-level at level 10 resulted in 36 points around 15 mosques, 6 fields, and 15 schools, then the rising sea level at level 15 there is 59 gathering points of 21 mosques, 10 fields, and 28 schools. For the evacuation lane it already mapping based on evacuation lane analysis, which average of two lane per node.