Abstract
A research of the potential hazard of earthquakes has been conducted in Kartasura, Sukoharjo regency, Central Java province, Indonesia. The research aims to know the local land response as an attempt of earthquake disaster mitigation. The method used in this research is the microtremor method through analyzing HVSR (Horizontal to Vertical Spectral Ratio) curves. PASI Seismograph 16S24-P and 3D Borehole Geophone Model GFA 60/100 are used for data acquisition at 14 locations with interval spacing between locations of 1-3 km. Based on HVSR curves, parameters have been obtained in the forms of (A0) amplitude value and dominant period (T0). The largest amplitude (A0) in location Gumpang with the value of 2,14 and the largest period (T0) in location Ngadirejo with the value of 0,43 second.
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