Mapping of Tsunami disaster evacuation pathways based on Tsunami altitude scenario using Network Analyst Method (case study: Palu City, Central Sulawesi)

I Made Edy Kusuma Putra (Universitas Kristen Satya Wacana Jl. Dr. O. Notohamidjojo, Kel. Blotongan, Kec. Sidorejo, Kota Salatiga 50715, Indonesia)
Hanna Prillysca Chernovita (Universitas Kristen Satya Wacana Jl. Dr. O. Notohamidjojo, Kel. Blotongan, Kec. Sidorejo, Kota Salatiga 50715, Indonesia)

Journal of Applied Geospatial Information
Vol 4 No 1 (2020): Journal of Applied Geospatial Information (JAGI)

Central Sulawesi's Palu city is one of the regions in Indonesia that is vulnerable to tsunami disasters. A tsunami disaster is a disaster that can cause many victims of both casualties and materials. One of the disaster mitigation to reduce the victim's fall is by evacuating the community to a safer place, to evacuate the population required evacuation routes that can direct people to evacuation sites. The purpose of this research is to make a tsunami runoff using cost distance and to make tsunami evacuation and use a Network analyst on Arcgis 10.4 software. The most affected regional analysis is the Northern Palu sub-district with a total area of 8.643528 km2, and there are 93 evacuation routes with 92 evacuation points. The longest evacuation route is 4,297 M with a travel time of 27.6 minutes with running and the shortest evacuation route of 96 m with a travel time of 0.6 minutes by running.