| Abstrakt: |
We have succesfully carried out research to determine the condition of vulnerability to earthquakes in the transition between the lower and upper of Semarang. The research was conducted by measuring the micro tremor signal with the HVSR (Horizontal to Vertical spectral Ratio) method in the the transition between the lower and upper of Semarang. Measurements were made by sampling a total of 120 points which were almost evenly distributed in the existing road area. The research implementation is conducted in July 2021. The results of the study indicate that the transition between the lower and upper of Semarang region has a vulnerability to earthquakes grouped into 3 parts, namely the low group, medium group and high group. Areas with a high earthquake vulnerability index include areas in Tandang village (points 155 and 166), Jangli village (points 157), Sukorejo village (points 127), Candi village, Karanganya village, Lampertengah village, and Boto village. Areas with a medium earthquake vulnerability index are Gajahmungkur Village, Wonotingal Village, Sampangan Village, Sukorejo Village, Jatingaleh Village, Jangli Village, and Jatisari Village. Areas with low vulnerability index values to earthquakes are other than those with high and medium value [ABSTRACT FROM AUTHOR] |
