Abstract
Referring to data on natural disasters in three regions, namely Palu City and Donggala Regency, it shows that there were 3 natural disasters that occurred in the last 5 years, namely; landslides, earthquakes, tsunamis. The high level of disaster activity in the three regions is due to the geographical conditions in these two areas which are in the Palu koro fault line, with the morphology of the valley area. Handling of natural disaster management still leaves many problems, one of which is the absence of spatial information related to areas prone to natural disasters at the sub-district level,. The approach used is a spatial approach with an overlay method utilizing geographic information systems (GIS). The results showed that for landslides, the area around the bay is at a low to moderate level of vulnerability, while for the earthquake and tsunami it shows that the southern and eastern parts of the Palu bay are the areas that have the highest level of vulnerability.
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