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All Journal Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources)
Kamawan Kamawan
Pusat Survei Geologi
Chemistry Earth & Planetary Sciences Energy

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MIKROZONASI KERENTANAN BAHAYA GONCANGAN GEMPA BUMI KOTA PEKALONGAN BERDASARKAN ANALISIS MIKROTREMOR Asdani Soehaimi; Marjiono Marjiono; Kamawan Kamawan
Jurnal Geologi dan Sumberdaya Mineral Vol. 20 No. 5 (2010): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v20i5.179

Abstract

Microzonation of Pekalongan is divided into 3 zones: Ground shaking prone zone I, characterized by very high amplification (>9 times), 0.93 – 1.15 second dominant period and soft sediment thickness between of 40.14 – 50.29 m; ground shaking prone zone II, characterized by high amplification (6-9 times), 0.55 – 1.49 second dominant period of second and soft sediment thickness between 23.91 – 65.30 m; ground shaking prone zone III, characterized by intermediate amplification (3-6 times), 0.47 – 1.54 second dominant period, and soft sediment thickness between 20.73 – 67.31 m.In generall, Pekalongan has amplification between 3, 17 – 12, 91 times. More than 50 % of its area has high amplification, some small spots/areas have very high amplification, and the rest area have intermediate amplification.Microzonation is as the preliminary step for earthquake risk mitigation efforts.In order to reduce the hazard risk, the local government must have policies on spatial planning. Regions which have high – very high amplification need to be developed with specific construction.Keywords: Pekalongan, microzoantion, amplification and predominant period
IDENTIFIKASI SESAR AKTIF DAERAH CEKUNGAN BANDUNG DENGAN DATA CITRA LANDSAT DAN KEGEMPAAN Marjiyono Marjiyono; Asdani Soehaimi; Kamawan Kamawan
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2008): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.240

Abstract

Seismic monitoring around Bandung basin since 1999 - 2006 which has been carried out by the Seismological Laboratory, Geological Survey Institute, had recorded nine earthquakes. Epicentre location of the earthquakes indicated that the earthquakes are associated with the lineaments interpreted on landsat image. It is concluded that there are at least five active faults in this area such as Tanjungsari - Cileunyi, Lembang, Cicalengka, Jati and Legok Kole fault. Keywords: active fault, epicenter, lineament, landsat image
Co-Authors Asdani Soehaimi Marjiono Marjiono Marjiyono Marjiyono