  This study aims to simplify the current flood mapping methodology, so it can
be done in quicker time, easy to learn, but still produce accurate flood
information to support the emergency responses. This study is divided into two
activities: Survey development and flood mapping methods; Field survey and
mapping to test the developed method. The method development was then conducted
by examining the simple methods in the flood mapping survey and then testing it
in the field. The results of these trials were then evaluated to determine the
most effective and efficient methods. The utilization of free android mapping
application to conduct flood survey shows satisfactory results. Based on two
trials, it was known that it takes only 4 hours to conduct a 15 km survey of
Citarum River segment. The mapping shows that the flood areas in Baleendah and
its surrounding reached 763 Ha and 794 Ha respectively on 25 December 2014 and
13 March 2016. In addition, the method developed is also relatively easy to
use, so it is expected to trigger the local communities to play an active role
in disaster prevention efforts, especially in emergency response by providing
accurate information about the flood inundation areas.

Geophysics