Resumen
"Informer on Site" is one of prototype mobile application for informing disaster complaint with site pictures and location using the smartphones. The report information is automatically delivered to the officer in charge for prompt response to the civil complaints by identifying the location and situation according to information initially provided by community via the service. The Informer on Site service is focus on disaster cases such as flood, typoon, haze and landslide. This application can assist the authorities to handle the issue of disasters more effectively and via a faster response. The objective of this paper is to describe the features, benefits and the flow of the application process.