Geographic information system (GIS) of natural disasters and evacuation routes

Natural disasters are extraordinary events caused by nature that resulting in fatalities, environmental damage, loss of property, and Impact. Such disasters are earthquakes, tsunamis, landslides, floods and flash floods. Padang city is one of the areas that are prone to disasters and has a lot of vulnerable areas. With this fact, the Padang City government made a number of disaster-prone areas and evacuation route points for residents of Padang City. Therefore the Geographic Information System was created to display disaster-prone area points and evacuation routes using the Android-based Dijkstra algorithm method. So that the residents of Padang City know the point of disasterprone areas and the existence of evacuation routes. This application can be displayed online and offline. The results of research on the geographic information system for disaster-prone points and the closest evacuation route in West Sumatra based on the web include, in this geographic information system the public can easily see and access maps of areas that are often prone to disasters and evacuation routes, if a tsunami wave occurs in the cities of Padang and West Pasaman. This system will provide the public with various information on natural disasters that have occurred as well as education on natural disasters that have occurred in the cities of Padang and West Pasaman. This geographic information system will assist the wider community and local governments in anticipating natural disasters that can occur at any time by accessing the information provided by the system. and with this system make it easier for the public to know the locations or points that are prone to disasters so that people are more prepared and alert. so that can minimize casualties, increase community awareness and reduce material damage caused when a disaster occurs.