The investigation of 09.6.2003 Bandirma and 06.07.2003 Saroz earthquakes rock tension observation at stations

THE INVESTIGATION of 09.06.2003 BANDIRMA and 06.07.2003 SAROZ EARTHQUAKES ROCK TENSION OBSERVATION AT STATIONS SUMMARY Key words: Fourier analysis, earthquake prediction In this study, we used a new method which has been developed by Istanbul Technical University (ITU) described as "Earthquake Prediction System". By using this system, we analysed data which are belong to "Rock Tension Observation Method and Earthquake Prediction Project". For this aim, we obtained time domain 06.07.2003 Saroz (Ml=5.6) and 09.06.2003 Bandırma Earthquake (Ml=5.1) spectrums that recorded by Sakarya University (SAÜ), Sea High School (DL) and Airwar School (HHO) rock tension observation stations. Obtained data were divided into time scales as 1,3,7,15,31 days in frequency d omain. Thus some datas which couldn't get in time domain, could easily process their behavior in frequency mode. XI