Blasting Vibration Monitoring from Coal Mine on Memshi Village

P128 BLASTING VIBRATION MONITORING FROM COAL MINE ON MEMSHI VILLAGE 1 M.ALI RIAHI and JAFAR SHAHABIAN Institute of Geophysics Tehran University PO Box 14155-6466 Tehran Iran Abstract An attempt was made to study the effect of seismic vibration produced from Tarik Darreh coal mine blast at the Memshi village area. The recording devices were PDAS-100 the natural frequency of the L-4C three component seismometers was 1 Hz and the distances between the devices were from 100 to 650 meters. The data were recorded along a radial and radial - tangential profiles. The recording length was two minutes with a sampling