Micro Tremors Energy Distribution before and after Stabilization of the Cave Risovaca in Serbia

Cave Risovača is located in center Serbia, near the town Aranđelovac.Because of falling down rock material from walls and ceiling in object in 2007 geophysical research was carried out. Base on micro tremor data object is split on three parts. Last chamber has the biggest amplitude. After that stabilization of an object was done. In December 2009 research is repeated by author. The aim of the research was to conclude how stabilization is the influence on micro seismic properties of the cava, and micro tremors energy amplitudes. According to results of this research stabilization is done successfully.