Palu City is one of the city centers in the world which is located on a fault line that is prone to earthquakes and tsunamis. The latest earthquake and tsunami occurred on September 28, 2018 with a magnitude of Mw 7.4, which was centered on the ground and caused a large tsunami in Palu City. The earthquake and tsunami claimed 4,194 lives and damaged 55,102 buildings while missing, heavily, and lightly damaged. To reduce the impact of disasters, it is necessary to make efforts to increase awareness based on local wisdom so that it can be easily implemented in the community of Palu City. Local wisdom was explored by the people of Palu City and saw its effect on the level of alertness to disasters caused by the earthquake and tsunami. Local wisdom ombo is obtained from the people of Palu City, which contains a prohibition on building close to clean water sources. Data collection was carried out by conducting interviews with 121 affected communities regarding their knowledge, attitudes, and environmental conditions related to the level of vigilance. For environmental variables, local activity was a parameter included in the survey. The results of the analysis showed that the level of knowledge about the earthquake and tsunami as well as attitudes based on local wisdom increased the level of vigilance in disaster risk reduction efforts in Palu City. The results of the analysis showed that the implementation of attitudes based on local wisdom can affect the level of alertness with a value of 0.87, which means that the application of local wisdom can increase preparedness for earthquake and tsunami disaster. Indigenous latent variables (knowledge, attitudes, and environmental conditions) had a strong effect on exogenous latent variables (earthquake and tsunami preparedness) with an R² value of 0.741.

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