By: Agung SETIANTO1) and SOETAAT2)
1)Department of Geological Engineering, Faculty of Engineering, Gadjah Mada University, Indonesia
2)Department of Geodetic and Geomatics Engineering, Faculty of Engineering, Gadjah Mada University, Indonesia
In order to reduce the urgent disaster due to Mt. Bawakaraeng Caldera wall collapse, the present condition of caldera wall in detail is needed to be mapping. This caldera wall is
an inaccessible and unstable area, because the wall face is very steep, about 800 meters in height and more than 1,000 meters of the width, and located at the top of Mt.
Bawakaraeng. The caldera wall was collapsed about ten years ago and millions cubic materials, mainly sand and rock, slide down to Jeneberang River as sedimentation.