Earthquake of Yogyakarta was occurred at 5.54 a.m. in 27th May 2006 with magnitude of 5.9 Richter Scale gave a lot of lesson to the people, government and experts to pay attention in constructing buildings in earthquake region. There were a lot of non engineered buildings and
engineered buildings were collapse due to this arthquake. Some of the collapse engineered buildings were identified having long span of roof structures. The roof structures were made of steel structures. This paper will discuss the collapse of engineered buildings especially for the
building with long span of roof steel structure to give awareness in the future for structural engineers who have responsibility of the safety of building. Therefore, the topic is discussed and highlighted in this paper.