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All Journal Bionatura Bulletin of Scientific Contribution : Geology IJOG : Indonesian Journal on Geoscience Jurnal RISET Geologi dan Pertambangan Record and Library Journal Jurnal Geosaintek Geoscience Journal Jurnal Teknologi Mineral dan Batubara Journal of Geoscience, Engineering, Environment, and Technology JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) BULLETIN OF THE MARINE GEOLOGY Spektra: Jurnal Fisika dan Aplikasinya Buletin Sumber Daya Geologi Journal of Humanities and Social Studies Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan KRTHA BHAYANGKARA Indonesian Journal on Geoscience Indonesian Journal on Geoscience Dinamika Lingkungan Indonesia International Journal of Science and Society (IJSOC) Jurnal Geominerba Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Teknologi Mineral dan Batubara Journal of Geosciences and Applied Geology BACA: Jurnal Dokumentasi dan Informasi Jurnal Geosaintek Geoid - Journal of Geodesy and Geomatics

Dicky Muslim

Fakultas Teknik Geologi - Universitas Padjadjaran

Author-ID : 525940

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Physics Social Sciences Other

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Characteristics of Arun Carbonate Reservoir and Its Implication To Optimize the Most Potential Gas Resource Zone In Arun Gas Field, Aceh, Indonesia Atmadibrata, Riza; Muslim, Dicky; Hirnawan, R. Febri; Abdurrokhim, Abdurrokhim
Indonesian Journal on Geoscience Vol 6, No 2 (2019)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.6.2.209-222

DOI:10.17014/ijog.6.2.209-222Since the discovery of major oil and gas reserves in carbonate rocks in the Middle East, carbonate reservoirs became important to the petroleum industry. Carbonate rocks have covered only 20% of the sedimentary rock records. However, carbonate reservoirs hold 50% of the world petroleum reserves. Arun Carbonate Reservoir is one of the biggest proven retrograde gas reservoirs in the world. After more than thirty years of production, Arun Carbonate Reservoir had an initial gas in place of 14.1 TCF residual hydrocarbon gas. The issue makes Arun Carbonate Reservoir became an interest to be studied for the development and production of hydrocarbon in other carbonate reservoirs in Indonesia. One of the fundamental topics to be studied is the characteristics of Arun Carbonate Reservoir itself. The characteristics of carbonate reservoir usually cause a lot of geologic and engineering problems in the development and production of hydrocarbon reserves. This paper aims to identify the characteristics of Arun Carbonate Reservoir and its implication to delineate the potential gas resource zone in the Arun Gas Field, Aceh, Indonesia. The data from sixteen wells have been examined through several multidiscipline studies: geophysics (well logging), geology (facies, lithology and diagenetic analyses), and petrophysics (core analysis). The result of this study shows that Arun Carbonate Reservoir (N5-N8) contains limestone 92%, 5% dolomite, and 3% dolomitic limestone (or other), and petrophysically have 16% porosity and 13.5 md permeability in average. Arun Carbonate Reservoir is divided into four facies (Reef, Near Reef, Inter Reef Lagoon, and Middle Shelf). Of four facies in Arun Carbonate Reservoir, only two facies which can be categorized as productive facies: Reef and Lagoonal Facies. The potential zones of hydrocarbon resources have vertically been documented in Arun Carbonate Reservoir.

Comparative Study among Bivariate Statistical Models in Landslide Susceptibility Map Arifianti, Yukni; Pamela, Pamela; Agustin, Fitriani; Muslim, Dicky
Indonesian Journal on Geoscience Vol 7, No 1 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.1.51-63

DOI:10.17014/ijog.7.1.51-63The main purpose of this paper is to compare the performance of bivariate statistical models i.e. Frequency Ratio, Weight of Evidence, and Information Value for landslide susceptibility assessment. These models were applied in Cianjur Regency, West Java Province (Indonesia), in order to map the landslide susceptibility and to rate the importance of landslide causal factors. In the first stage, a landslide inventory map and the input layers of the landslide conditioning factors were prepared in the Geographic Information System (GIS) supported by field investigations and remote sensing data. The 298 landslides were randomly divided into two groups of modeling/training data (70%) and validation/test data sets (30%). The landslide conditioning factors considered for the studied area were slope angle, elevation, slope aspect, lithological unit, and land use. Subsequently, the thematic data layers of conditioning factors were integrated by frequency ratio (FR), weight of evidence (WofeE), and information value (IV). Model performance was tested with receiver operator characteristic analysis. The validation findings revealed that the three models showed promising results since the models gave good accuracy values. The success rates of FR, WofE, and IV models were 0.920, 0.926, and 0.930, while the prediction rates of the three models were 0.913, 0.912, and 0.895, respectively. However, the FR model was proved to be relatively superior in estimating landslide susceptibility throughout the studied area.

PEMODELAN GEOLOGI DAN ESTIMASI SUMBER DAYA BATUBARA DI PIT â€œHMGâ€, TAMBANG BATUBARA BANKO BARAT, SUMATRA SELATAN: GEOLOGICAL MODELLING AND COAL RESOURCE ESTIMATION IN THE â€œHMGâ€ PIT, WEST BANKO COAL MINE, SOUTH SUMATRA Adithya Ramadhani Hasibuan; Juniarto, Reinaldi; Nurdrajat; Reza Mohammad Ganjar Gani; Dicky Muslim; M. Dwiki Satrio
Buletin Sumber Daya Geologi Vol. 15 No. 3 (2020): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v15i3.308

Indonesia is a country that has a lot of coal deposits, and one of the largest deposits is in Sumatra Island. The Bukit Asam coal mine has had a long history beginning with the Dutch colonial period. Administratively, location of the studied area is located in the area of Bukit Asam coal mine, Tanjung Enim area, Muara Enim Regency, South Sumatra Province. This paper provides the 2D and 3D geological modelling to estimate coal resources in the â€œHMGâ€ PIT of West Banko Coal Mine. Forty-eight exploratory drill holes data from PT Bukit Asam were used in this study. There were reanalysed and reinterpreted to identify coal characteristics, correlate coal seams, and compile to create subsurface geological models. In an effort to determine coal resources in this area, there were some analytical techniques (criteria or parameter), including geological complexity analysis, coal quality distribution analysis, subsurface mapping to observe the geometry of coal seam distribution and making geological models from the results of drilling activities. The studied objects are seams A1, A2, B1, B2, and C with rank of high volatile B bituminous based on the ASTM Classification. The coal seams distribution shows relatively southeast-northwest trends. Resources classification or estimation in this paper is based on SNI 5015 : 2011, in which the study area is included in the geological complexity of simple geological groups with the distance of inferred resource information 1,000<Xâ‰¤ 1,500m, designated 500<Xâ‰¤1,000m, and measured Xâ‰¤500m. From geological modelling and the Circular Method, estimated coal seam A1 resource is 28,543,893 tons, A2 seam is 31,199,799 tons, seam B1 is 38,638,462 tons, seam B2 is 15,790,222 tons, and seam C is 40,913,153 tons. The total coal resources are 155,085,529 tons.

POLA ALIRAN PANAS BERDASARKAN ANALISIS FLUIDA DAN MINERAL UBAHAN DI DAERAH PANAS BUMI SORIK MARAPI, KABUPATEN MANDAILING NATAL, PROVINSI SUMATRA UTARA: HEAT FLOW PATTERN BASED ON ANALYSIS OF GEOTHERMAL FLUID AND ALTERATION MINERAL IN SORIK MARAPI REGION, MANDAILING NATAL DISTRICT, NORTH SUMATRA PROVINCE Azizi, Hisyam Azhar; Agus Didit Haryanto; Johanes Hutabarat; Dicky Muslim; Dewi Gentana; Ryan Hidayat
Buletin Sumber Daya Geologi Vol. 15 No. 3 (2020): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v15i3.309

Sorik Marapi geothermal area in Mandailing Natal Regency, North Sumatra Province has a high-temperature geothermal system that is interpreted from the chemical characteristics of hot springs. The presence of alteration minerals such as epidot in exploration well cutting samples strengthens the estimated reservoir temperature reaches 235â°C. The presence of hot water are more acidic hot spring around fumaroles and the minerals obtained from the drill well reflect the upflow zone while the hot spring group of neutral chloride water in the north with lower elevation reflects the outflow zone of the geothermal system here. This is a characteristic of hot fluid flow that occurs in geothermal areas of volcanic systems with steep terrain as well as Sorik Marapi area.

Disaster Mitigation for Palu City Residents in Dealing with Liquefaction Disasters in Accordance of Spatial Patterns of Palu City, Central Sulawesi Province, Indonesia. Yudi Kuswandi; Jossi Erwindi; Moh. Sapari Dwi Hadian; Dicky Muslim
Journal of Geoscience, Engineering, Environment, and Technology Vol. 5 No. 4 (2020): JGEET Vol 05 No 04: December 2020
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2020.5.4.5653

Potential natural hazards in Palu City by paying attention to the real physical characteristics of Palu City are categorized as having a high level of disaster hazard. The geological character of both the geological structure and geological engineering in the Palu region shows the great potential for geological disaster hazards. On September 28, 2018, at 18: 02 CIT, an earthquake measuring 7.4 on the Richter scale, the quake's center located in 26 km of Donggala district and 80 km northwest of Palu City. By observing the epicenter's location and the depth of the hypo-central earthquake, it appears that this shallow earthquake occurred due to activity in the Palu Koro fault zone. This fault is the most active in Sulawesi and is the most active in Indonesia with a movement of 7 cm per year. Liquidity disasters or ground liquefaction are also the effects of an earthquake. Shocks a massive quake causes the soil to melt this thing occurs when the saturated soil loses strength and stiffness due to stress. The Petobo area and the Balaroa - Perumnas are close to the Palu Koro active fault line and the land in the area is composed of soft material from the sedimentation process. This area is shallow groundwater with high soil permeability values, namely in the Petobo area and Perumnas - Balaroa. The purpose of this study is to analyze the potential liquefaction disaster in Palu City and analyze the Palu City resident ability against Liquefaction Hazard Prone. This research uses a descriptive qualitative analysis method. Potential liquefaction disasters were analyzing qualitatively based on geological conditions and disaster locations. Disaster mitigation capabilities were analyzed qualitatively based on the Palu City Spatial Pattern. One of the hazards caused by an earthquake that has the potential to be a disaster in Palu City is liquefaction. The ability of residents to mitigate liquefaction in Palu City is influenced by local wisdom which is reflected in ancient times when people lived in the highlands or hills. the concept of building structures, land use, and spatial planning patterns in Palu City which can reduce the threat of liquefaction.

Kontrol Morfotektonik Terhadap Gerakan Tanah di Daerah Malalak, Sumatra Barat Donny R. Wahyudi; Sumaryono Sumaryono; Emi Sukiyah; Dicky Muslim; Arif R. Darana
Jurnal Lingkungan dan Bencana Geologi Vol 6, No 3 (2015)
Publisher : Badan Geologi

ABSTRAKPenelitian ini bertujuan (1) untuk mengidentifikasi tingkat aktivitas tektonik DAS (Daerah Aliran Sungai) Manggur Gadang berdasarkan analisis morfometri yang berupa rasio perbandingan lebar dasar lembah dengan tinggi lembah (Vfw), indeks gradien sungai (SL), asimetri sungai (AF), sinusitas muka gunung (Smf) dan kerapatan sungai (dd).(2) untuk mengetahui hubungan kekar dengan segmen sungai, dan (3) untuk mengetahui hubungan longsor yang disebabkan oleh peristiwa gempa bumi dengan aktivitas tektonik. Aspek-aspek geomorfik seperti dimensi dan bentuk DAS dianalisis menggunakan morfometri untuk mengidentifikasi keaktifan tektonik wilayah penelitian. Azimuth segmen sungai dan struktur geologi berupa data kekar dan kelurusan azimuth mahkota longsor yang terjadi di lokasi penelitian dikumpulkan sebagai sampel yang selanjutnya dilakukan uji statistik untuk mengetahui hubungan antarvariabel tersebut.Hasil uji statistik yang dilakukan pada variabel diatas menunjukkan adanya hubungan antara segmen sungai dengan kekar dan azimuth mahkota longsor yang terjadi. Analisis morfometri juga menunjukkan adanya aktivitas tektonik dengan tingkat yang paling tinggi berada pada DAS Manggur Kecil, sedang pada DAS Manggur Gadang, dan rendah pada DAS Naras. Berdasarkan hasil penelitian diatas diketahui bahwa wilayah penelitian memiliki tingkat aktivitas tektonik aktif.Kata kunci: aktivitas tektonik, longsor, morfometriABSTRACTThis study aims(1)toidentify the level of tectonic activity based on morphometry analysis; ratio of valley floor width to valley height ( Vfw ), stream gradient index ( SL ), asymmetry factors ( AF ), sinuosity of mountain front ( Smf ), drainage density ( Dd). (2) to know the relation between rock joint with river segments, and (3)to determine the relation of landslides caused by earthquakes with tectonic activity. Geomorphic aspects such as the dimensions and shape of the watershed were analyzed by using morphometry to identify the tectonic activity level of the studied area. The river segment azimuths and geological structures such as joint and azimuth of crown landslide lineament that occurred at the studied site were collected as a sample of whichthen statistical tests were performedto determine the relation between these variables.The results of the statistical test that were performed on the variables above show that there is a relation between the river segment with joint and landslide crown azimuth that occurred. Morphometric analysis also shows the presence of tectonic activity with the highest levels on the watershed of ManggurKecil, medium on the watershed of Manggur Gadang, and low on the watershed of Naras. Based on the results of study above it is known that the studied area has an active tectonic activity level.Keywords : tectonic activity, landslide,morphometry

Studi morfostruktur dan paleoseismik sesar Way Baka di daerah Bakauheni, Lampung Selatan Muhammad S. Sadewo; Dicky Muslim; Kamawan Kamawan; Asdani Soehaimi
Jurnal Lingkungan dan Bencana Geologi Vol 4, No 1 (2013)
Publisher : Badan Geologi

ABSTRAKStudi morfostruktur dan paleoseismik sesar Way Baka merupakan upaya untuk mengetahui potensi bencana gempa bumi akibat sesar aktif di daerah Bakauheni dan sekitarnya. Keberadaan sesar di daerah ini telah ditelusuri melalui analisis citra satelit DEM SRTM (Digital Elevation Model Shuttle Radar Topography Mission) dan penelitian langsung di lapangan. Analisis kinematika struktur geologi menunjukkan bahwa sesar Way Baka merupakan sesar mendatar mengiri dengan arah jurus dan kemiringan U 185o T/ 74o dengan arah gaya utama U165oT. Morfostruktur sepanjang lajur sesar ini memiliki rasio lebar terhadap tinggi lembah dengan indeks Vf = 1,54 – 3,75 (rendah – tinggi) yang mencerminkan proses pengangkatan tinggi hingga sedang. Karakter morfostruktur lainnya adalah sinusitas muka pegunungan dengan indeks Smf = 1 - 1,5 (rendah). Kedua analisis morfostruktur ini menunjukkan telah terjadi deformasi tegak secara langsung yang berkaitan erat dengan tektonik aktif di sepanjang lajur sesar Way Baka. Studi paleoseismik di sepanjang lajur sesar Way Baka menunjukkan bahwa kegiatan tektonik telah berlangsung sejak ± 3 juta tahun yang lalu, atau pada periode tektonik Plio-Plistosen. Dengan demikian sesar Way Baka adalah sesar potensial aktif.Kata kunci: morfostruktur, paleoseismik, sesar aktifABSTRACTMorphostructure and paleoseismic study of Way Baka Fault is an attempt to determine the earthquake potential especially earthquake caused by active fault in Bakauheni and surrounding area. The presence of fault in this area has been traced through the analysis of satellite imagery SRTM DEM (Shuttle Radar Topography Mission Digital Elevation Model) and research in the field. Kinematic analysis of the geological structure indicates that the Way Baka fault is a sinistral strike-slip fault oriented in N 185o E trend with NE dipping of 74o of which N 165o E bearing is the mean stress. Morphostructure along this fault lane has Vf (valley floor and valley width ratio) value = 1.54 - 3.75 (low – high) which reflects a high to moderate uplift process. Another morphostructure character is Smf (mountain front sinuosity) with value index = 1 – 1.5 (low) both of morphostructure analysises show there has been a direct vertical deformation occured which was closely related with an active tectonic along Way Baka Fault. Paleoseismic study along this fault lane indicates that tectonic activity has been occurred after ± 3 million years ago (during Plio- Pleistocene terctonic period). Therefore Way Baka Fault can be classified as a potential active fault.Keywords: morphostructure, paleoseismic, active fault

Kontrol Struktur Geologi Terhadap Pola Lorong Gua Karst Karangnunggal Kabupaten Tasikmalaya Provinsi Jawa Barat Selasian Gussyak; Dicky Muslim; Euis Tintin Yuningsih
Jurnal Lingkungan dan Bencana Geologi Vol 13, No 1 (2022)
Publisher : Badan Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34126/jlbg.v13i1.399

Penelitian ini membahas pola pembentukan lorong rongga/gua yang memiliki sungai bawah tanah berdasarkan pengaruh struktur geologi yang berkembang pada Karst Karangnunggal Kabupaten Tasikmalaya Provinsi Jawa Barat. 2 fitur gua yang memiliki sungai bawah tanah ditemukan terdiri dari Gua Sangiran - Gua Cipariuk dan Gua Cilutung - Gua Bojong, selanjutnya dilakukan pemetaan susur gua terhadap gua-gua tersebut. Berdasarkan hasil analisis pola kelurusan morfologi menunjukkan dominan arah orientasi timurlaut-baratdaya dan baratlaut-tenggara. Berdasarkan analisis pola kekar pada area mulut gua Cipariuk terindikasi adanya sesar normal yang berarah baratlaut-tenggara dan analisis pola kekar area mulut Gua Cilutung dan Gua Bojong terindikasi adanya sesar mendatar berarah timurlaut-baratdaya. Arah-arah orientasi ini apabila disandingkan dengan arah orientasi pola lorong gua hasil pemetaan susur gua berarah sama yaitu berarah timurlaut-baratdaya dan sesekali berarah baratlaut-tenggara

Studi sesar aktif Peterjajar daerah Bakauheni, Lampung Selatan Aditya Dwi Prasetio; Dicky Muslim; Marjiyono Marjiyono; Asdani Soehaimi
Jurnal Lingkungan dan Bencana Geologi Vol 4, No 1 (2013)
Publisher : Badan Geologi

ABSTRAKSesar Peterjajar merupakan sesar oblique dengan pergerakan sinistral dan komponen vertikal naik yang dapat dijumpai di daerah Bakauheni, Lampung Selatan. Keaktifan sesar ini telah dikaji dengan menerapkan dua metodologi yaitu geologi (morfotektonik) dan geofisika (resistivitas dan seismik refraksi). Penelitian morfotektonik yang telah diterapkan adalah analisis kerapatan sungai (Dd) dan rasio lebar lembah dengan tinggi lembah (Vf ratio). Uji statistik juga dilakukan untuk membuktikan adanya perbedaan Vf Ratio antara blok barat dan blok timur sesar ini. Penelitian geofisika resistivitas dan seismik refraksi dilakukan untuk mengetahui keberadaan struktur geologi sesar dibawah permukaan sebagai kelanjutan sesar yang tersingkap di permukaan. Hubungan antara struktur geologi sesar ini dan kegempaan yang berdasarkan data NEIC tahun 1970 – 2012. Kajian, evaluasi dan analisis keempat metode tersebut diatas, menunjukkan bahwa sesar Peterjajar merupakan satu salah sesar aktif di daerah Bakauheni dan sekitarnya.Kata kunci: geolistrik resistivitas, seismik refraksi, sesar aktif Peterjajar, Bakauheni, kerapatan pengaliransungai (Dd), Vf RatioABSTRACTPeterjajar Oblique Sinistral Thrust Fault can be found at Bakauheni, South Lampung. The activity of this fault have has been studied with two methods those are namely geology (morphotectonic) and geophysics (resistivity, seismic refraction, and seismicity). Morphotectonic used in this study is drainage density (Dd), and valley width and valley floor ratio (Vf ratio). Vf ratio of West and East blocks was tested with statistic t-test to perform the difference. Geophysical resistivity and seismic refraction studies had done to have been carried out to identified identify subsurface geological structure as the continuity continuation of geological structure from the surface outcrop. The correlation between this fault and the epicentre distribution has been analized based on the NEIC (1970-2012) data. The study, evaluation and analize analysis of the four methods mentioned above base on those method shown show that the Peterjajar Fault is an active fault in Bakauheni and the surrounding area.Keywords: resistivity, seismic refraction, Peterjajar active fault, Bakauheni, drainage density (Dd), Vf Ratio

Sub-Segmentasi Sesar Pada Segmen Kumering Antara Danau Ranau Hingga Lembah Suoh, Lampung Barat Subdivision Of Segmentation In Kumering Segment Between Ranau Lake To Suoh Valley, West Lampung Sonny Aribowo; Dicky Muslim; Danny H. Natawidjaja; Mudrik R. Daryono
Jurnal Lingkungan dan Bencana Geologi Vol 8, No 1 (2017)
Publisher : Badan Geologi

ABSTRAKSesar Sumatra merupakan sesar mendatar yang tersusun atas beberapa segmen. Evolusi sesar memainkan peranan penting terhadap retakan permukaan akibat gempabumi dan juga pencabangan sesar. Segmen Kumering merupakan sesar yang menjadi sumber gempabumi yang bersifat merusak pada tahun 1933 dan 1994. Kami melakukan delineasi pada Segmen Kumering berdasarkan interpretasi pada citra SRTM dengan resolusi 30 m untuk memberikan pandangan yang paling mutakhir mengenai sesar yang menjadi sumber gempa tersebut. Kami juga melakukan tinjauan untuk dimensi dari sub-segmen dalam hubungannya dengan offset sesar maksimum. Dari hasil interpretasi citra teridentifikasi 12 sub-segmen yang dibatasi oleh adanya step dan/atau tekukan serta hilangnya jejak morfologi pada kenampakan citra. Kompleksitas sesar mendatar tergambarkan dalam hubungan antara jumlah step dan atau tekukan dengan panjang maksimum offset sesar. Tren linear menunjukkan bahwa jarak offset maksimum yang semakin panjang pada segmen sesar yang lebih panjang dan memiliki jumlah step dan/atau tekukan yang semakin sedikit. Hasil penelitian memberikan gambaran yang lebih baik secara resolusi. Hasil ini juga membuktikan adanya pencabangan sesar yang berasosiasi dengan sesar utama pada lingkungan vulkanik.Kata kunci: sesar mendatar, segmen sesar, offset sesar, SRTM30, Kumering, Sesar Sumatra ABSTRACTSumatran fault is well known as highly segmented strike-slip fault. The evolution of fault segmentation plays crucial role to the dimension of earthquake ruptures as well as fault splays. Kumering Segment of the Sumatran Fault Zone allegedly as the source of Liwa’s 1933 and 1994 earthquakes. To update the prediction of geometrical attribute of strike-slip system in the Sumatran Fault Zone,we delineate sub-segmentation in the Kumering Segment based on SRTM30 imagery. We studied the dimension of each subsegments and correlate them to the maximum fault offset. From imageries interpretation, we identify twelve subdivision of Kumering Segment bounded by step and the subdued of geomorphic trace. We show strike-slip complexity by relationship between number of steps with maximum fault offset length. Linear trend shows that our data fit with previous study, which concluded that faults have longer segments and fewer steps when their offsets increase. This article also intended to obtain better understanding in characterizing source of earthquake triggered by right lateral Sumatran Fault. Our results provide better resolution for fault segmentation. The results may also reveal the orientation of secondary fault formed by splaying associated with first order fault in the volcanic environment.Keywords: strike-slip fault, fault segment, fault offset, SRTM30, Kumering, Sumatran Fault.

Co-Authors Abdurrokhim ⠀ Achmad Djumarma Wirakusumah Adi Hardiyanto Adithya Ramadhani Hasibuan Aditya Dwi Prasetio Adiwijaya, Annisa Ayungingtyas Pratiwi Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat - Adjat Sudradjat -, Adjat Sudradjat Adjat Sudrajat Adriansyah, Yan Afiah, Mahda Agung Mulyo Agus Didit Haryanto Agus W Oscar Agus Wiramsya Oscar Agustin, Fitriani Alamta Singaribun Alamta Singarimbun Alamta Singarimbun -, Alamta Singarimbun Algi Fajar Ghaniansah, Algi Fajar Alifahmi Alifahmi, Alifahmi Andra Taufiq Andriani, Tati Andriani, Tati Anggoro Tri Mursito Anggoro Tri Mursito Anhar, Jevye Fazrin Kusumah Arif R Darana Arif R. Darana Arifianti, Yukni Arma, Yadvi Arma, Yadvi Asdani Soehaimi Atang, . Athanasius Cipta Atmadibrata, Riza Atmadibrata, Riza Azizi, Hisyam Azhar Bambang Sugiarto Bombom Rachmat Suganda Budi Nurani Ruchjana Cipta Endyana Cyrke A N Bujung Danny H. Natawidjaja Darana, Arif R Darana, Arif R Destirani, Sagita - Dewi Gentana Dewi Ulfa Astriani Dinata, Muhammad Nasheer Ramdan Donny R. Wahyudi Edy Soesanto Eko Tri Sumarnadi Emi Sukiyah Emy Sukiyah Endayana, Cipta Euis Tintin Yuningsih Evi Haerani -, Evi Haerani Fachrudin, Kurnia Arfiansyah Fahira, Ghina Faiq Nirmala Faisal Akbar Nasution Faisal Helmi Faisal Helmi Fauzan, Aldo Febri Hirnawan Febri Hirnawan Febri Hirnawan - Febri Hirnawan -, Febri Hirnawan Firmansyah, M. Nizar Fitriani Agustin Fiverno, David Feby Galih W. Swana Hananto Kurnio Hanif, Salma Nur Hendarmawan Hendarmawan Hendarmawan Hendarmawan, Hendarmawan Heri Nurohman Heriwaseso, Anjar Heryadi Rachmat Hirnawan, R. Febri Hirnawan, R. Febri Ildrem Syafri Imanuel Seru Irvan Sophian Irvan Sophian Irvan Sophian, Irvan Iskandarsyah, Teuku Yan W. M. Ismawan Iyan Haryanto Jakah Jakah Jakah Jakah Jakah, Jakah Johanes Hutabarat Johanes Hutabarat Jossi Erwindi Juniarto, Reinaldi Kamawan Kamawan Khaerani, Puspa Khaerani, Puspa Khoirullah, Nur Khoirullah, Nur Kristiawan, Yohandi Luthfan H. Jihadi, Luthfan H. M. Dwiki Satrio Manullang, Sahala Maret Priyanta Marjiyono Marjiyono Marjiyono Mega Fatimah Rosana Mega Fatimah Rosana Moh. Sapari Dwi Hadian Mudrik R. Daryono Muhamad Ridwan Muhammad Burhannudinnur Muhammad S. Sadewo Mursito, Anggoro Nadhirah Seraphine Nadhirah Seraphine Nana Sulaksana Nana Sulaksana Nana Sulaksana Nendi rohaendi Nur Hamid NUR HAMID Nur Khoirullah Nurdrajat Nurdrajat Nurida Maulidia Rahma Oscar, Agus W Oscar, Agus W Pamela Pamela Pamela, Pamela Pradnya Paramarta Raditya Rendra Prantoko, Edi Puspa Khaerani Putra, Rieza Rachmat Putri, Yunitha R.I. Putri, Yunitha R.I. R. Febri Hirnawan Raden Irvan Sophian -, Raden Irvan Sophian Raden Irvan Sophian, Raden Irvan Rahayu Robiana, Rahayu Reza Mohammad Ganjar Gani Risna Widyaningrum Riza Atmadibrata Robby Setianegara Rukmana, Yanwar Yusup Ryan Hidayat Selasian Gussyak Seraphine, Nadhirah Seru, Imanuel Seru, Imanuel Sofyan Rachman Idris Sondi Kuswaryan Sonia Fauziah Sonny Aribowo Sudjono, Evie Hadrijantie Sudradjat, Adjat Sukardan Tawil Sumarnadi, Eko Sumaryono Sumaryono Sumaryono Sumaryono Suyono, Oon Swana, Galih W. Swana, Galih W. Tati Andriani Taufiq Wira Buana, Taufiq Wira Taufiq, Andra Taufiq, Andra Teuku Y.W.M Iskandarsyah Tono Hartono, Tono Tulus Pramudyo Ujang Hidayat Tanuwiria Verdad Chabibullah Abdallah Iman Vijaya Isnaniawardhani Wahyuzi, Radhi Wandani, Diki Waromi, Doodle Dandy Wicaksana, Kintan Adelia Arum Widia Hadiasti, Widia Widyaningrum, Risna Yadvi Arma Yanwar Yusup Rukmana Yanwar Yusup Rukmana Yosep, Boy Yudhicara Yudhicara Yudhicara Yudhicara Yudhicara, Yudhicara Yudhicara, Yudhicara Yudi Kuswandi Yudistira Purnamaruslia Yukni Arifianti Yunitha R.I. Putri Yunus Winoto Zakaria, Zulfiadi Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zulfialdi Zakaria, Zulfialdi

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