MIKROZONASI DAERAH KENDARI DAN SEKITARNYA BERDASARKAN RESPONS TANAH SETEMPAT

Authors

  • Marjiyono Marjiyono Pusat Survei Geologi
  • Asdani Soehaimi Pusat Survei Geologi
  • J. H. Setiawan Pusat Survei Geologi

DOI:

https://doi.org/10.33332/jgsm.geologi.v17i1.279

Abstract

As one of the provincial capital city which is growing  fast, database of earth sciences is absolutely required In order to develop the secure of Kendari town. Measurement   of microtremor   in this region aims  to know the site response forward ground shacking. The result of microtremor analysis indicates that the distribution of dominant period of H/V ratio of Kendari and its surrounding area is parallel to Kendari bay, and turning south to follow the pattern of Wanggu river. Susceptibility  level in this area which  is represented by dominant period values is divided  into four categories (> 1.5 seconds, 1.5  -1.0 seconds, 1.0- 0.5 seconds, and <0.5 second). Generally, the pronest area coinciding with recent sedimentation  area, is around  Kendari  Bay and along Wanggu river, while towards outside are it is safer.

 

Keyword:microtremor, ground shacking, Kendari

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References

Kanai. K, 1983, Engineering Seismology, University ofTokyo Press, Tokyo.

Nakamura, Y. 1989, A Method for Dynamic Characteristics Estimation of Subsurface Using Microtremoron the Ground Surface, Quaterly report Railway Technical Research Institute, Tokyo.

Rusmana, E., Sukido, Sukarna, D., Haryanto, E. dan Simanjuntak, T.O., 1993, Peta Geologi Lembar Lasusua Kendari, Sulawesi skala 1 : 250.000. Pusat Penelitian dan Pengembangan Geologi, Bandung.

Soehaimi, A, Djuanda, A, Kertapati, Edan I. Effendi, 2004, laporan Penelilian dan Pemetaan Seismotektonik Daerah Kendari dan Sekitarnya, Internal Report, Pusat Penelitian dan Pengembangan Geologi, Bandung.

Sukamto, R., 1975, Peta Geologi Lembar Ujung Pandang skala 1 : 1.000.000, Pusat Penelitian dan Pengembangan Geologi, Bandung.

Tuladhar, R .. Yamazaki, F. Wamitchai,P. dan Salta, J., 2003. Seismic Microzonationof The Greater Bangkok Area Using Microtremor Observation. Earthquake Engineering and Structural Dynamic Journal. P 211-225, Bangkok.

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Published

2007-03-02

Issue

Vol. 17 No. 1 (2007): Jurnal Sumber Daya Geologi

Section

Article

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