Amien Widodo

Amien Widodo
Institut Teknologi Sepuluh Nopember | ITS · Department of Geophysical Engineering

Doctor of Engineering

About

79
Publications
35,080
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121
Citations
Citations since 2017
63 Research Items
119 Citations
20172018201920202021202220230102030
20172018201920202021202220230102030
20172018201920202021202220230102030
20172018201920202021202220230102030
Introduction
Disaster Mitigation

Publications

Publications (79)
Article
Full-text available
The Magnetotelluric data acquisition is performed with a certain coordinate system orientation, thus the possibility of the field measurement data would be not proper with the geological strike direction. Therefore, the information of geoelectrical strike is needed to enhance the quality of Magnetotelluric data interpretation where if the data had...
Article
Full-text available
Floods are the most common sort of natural disaster that occurs when a body of water overflows and submerges on dry terrain. Several regions in Sidoarjo District, East Java such as Kedungbanteng and Banjarasri Village, have experienced floods with varying heights since 2018 due to heavy rainfall in the areas. According to the Meteorological, Climat...
Chapter
The National Earthquake Center (PusGeN) in 2017 stated that East Java was traversed by several active faults that extended towards Bali and Flores. The gravity research was carried out to map the fault structure in the western part of East Java. Gravity method is applied to identify subsurface geological structures by utilizing variations in Earth'...
Article
p class="ParSub1"> Penemuan struktur batubata kuno di Desa Alas Sumur, Kecamatan Pujer Kabupaten Bondowoso menjadi menarik untuk diteliti, karena selama ini Kabupaten Bondowoso umumnya berupa peninggalan zaman batu besar yaitu Situs Megalithikum. Tujuan penelitian ini adalah untuk identifikasi struktur batu bata di situs tersebut . Metode yang digu...
Chapter
This chapter investigates the marine tourism conditions in Indonesia before the COVID-19 pandemic and identifies the potential and challenges for developing sustainable geo-marine tourism as a tool for recovering from the COVID-19 pandemic crisis, while building the path to serve luxury yachters. Specifically, this chapter presents a conceptual mod...
Article
Full-text available
Earthquake can be caused by several things, one of which is due to an active fault. To mitigate earthquake disasters that can be caused by the Probolinggo Fault, measurement of the microtremor geophysical method is carried out to analyze seismic vulnerability. In this study, the microtremor measurements were carried out on 30 measurement points. Th...
Article
Full-text available
Karst aquifers can be a source of water supply, especially for the community in Donorojo District, which is one of the areas with the worst drought crisis in Pacitan Regency and requires a sustainable solution to the problem of water needs. Therefore, the study and management of karst formations are very important because of their abundance and pot...
Article
Full-text available
Magnetotelluric (MT) research was conducted to map the fault structure in the western part of East Java. The advantage of the magnetotelluric method is its deep penetration because it propagates at a low frequency so that it can detect resistivity anomalies that are thought to be faults. The measuring path of the magnetotelluric method covered the...
Article
Full-text available
To reduce hazard risk in earthquake-prone areas, it is crucial to conduct ground motion prediction for a future earthquake. It is well understood that a shear wave velocity (Vs) profile of soil at site interest is significant for ground motion estimation. In this study, we examine uncertainty in a Vs derived from the from Standard Penetration Test...
Article
Full-text available
Surabaya is one of the cities in Indonesia which is prone to earthquakes. This condition is caused by the megathrust zone located in southern Java. In addition, there is an active fault that passes through East Java, namely the Kendeng fault, which to be the source of underground earthquakes. The part of Kendeng Fault that is situated near Surabaya...
Conference Paper
Full-text available
According to the Indonesian Disaster Management Agency (BNPB), Indonesia’s losses due to landslides were estimated around hundreds of billion rupiah in 2017. Making landslide as one of the catastrophes with the greatest risk of loss and leaving a couple regions prone to landslides in Indonesia, Pacitan region is one of them. Landslide delineation t...
Article
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The manifestation of mud volcano changes the Earth’s surface and can affect the objects above it. This research presents Permanent Scatterer InSAR (PS-InSAR) results for the analysis pattern and deformation value of the land surface due to the manifestation of mud volcanoes. This research was carried out in the mud volcanoes manifestation in East J...
Article
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Ancient civilizations in Jombang left many historical relics in the form of temples, artifacts, and other archeological sites. Kedaton site is one of the newly discovered archeological sites. This site is buried under a few meters thick of Mount Kelud’s pyroclastic flow. Therefore, the distribution patterns of the site is needed to improve the exca...
Article
Full-text available
Landslide, one of the most disastrous natural hazards, causes damage to infrastructure worldwide and local communities. Pacitan, Indonesia is one city with high susceptibility to landslides occurrence. The conditions of landslide occurrence are assumed to be the same in the future. This study's objective is to produce a landslide susceptibility map...
Article
Full-text available
Many islands in Indonesia are formed due to the lifting of the seafloor which forms limestone lithology and forms karst morphology. The karst region has a large freshwater potential that accumulates in the underground river system. The existence of an underground river system as a water reservoir is very important in fulfilling the needs of the com...
Article
Full-text available
Groundwater flow in the limestone areas through gaps, fractures, and dissolving channels whose dimensions and directions are erratic. If the dimensions and direction of the river flow are known, it will be easier to exploit water to meet the needs of the community. The dimensions and direction of the underground river flow can be mapped using the V...
Article
Fracture or fault can control several geological or geophysical events and exploration, where the fault associated with mineralization or fluid flow can be used as a source for Self-Potential (SP) anomaly. The 2-D inclined sheet can be used for modeling for fault interpretation using SP data. In this paper, the improved crow search algorithm (ICSA)...
Article
Fracture or fault can control several geological or geophysical events and exploration, where the fault associated with mineralization or fluid flow can be used as a source for Self-Potential (SP) anomaly. The 2-D inclined sheet can be used for modeling for fault interpretation using SP data. In this paper, the improved crow search algorithm (ICSA)...
Conference Paper
A noise that recorded at magnetotelluric acquisition data makes the data quality not good enough, so the information obtained after data processing might not be correct or not suitable for the subsurface condition. Several characters of noisy magnetotelluric data are the spiky shaped and non-stationarity time-series curves. This non-stationarity ch...
Conference Paper
Arjuno-Welirang Mountain is located in East Java province, which is a type of stratovolcano with an altitude of 3,339 m for Arjuno and 3,156 m for Welirang. The Arjuno-Welirang geothermal system is a volcanic geothermal system. Magnetotelluric is the most commonly used geothermal exploration method because of its deep penetration and sensitivity to...
Conference Paper
Full-text available
The Pringkuku karst area is located in the south-west of East Java. Pringkuku is a transition zone between Gunung Sewu karst hills in the west and Gerindulu structural areas in the east. Sample observations were carried out by considering four parameters: structural and non-structural reef limestone from Wonosari Formation (Tmwl) and structural and...
Article
Full-text available
Sidoarjo is one of the satellite districts of Surabaya. The regency has important infrastructures that support Surabaya as a big city, such as the airport, bus terminal, industrial estate and warehouses which are important to support the sustainability of the industries in Surabaya City and East Java Province. With its important role, Sidoarjo Rege...
Article
Full-text available
Pacitan is one of the cities in Indonesia which is located around a subduction zone with many faults. Grindulu Fault is one of the active faults in Pacitan. In order to mitigate hazard in the area, detailed information about the existence and characteristic of the fault is needed. Thus, imaging of Grindulu Fault using shear wave velocity ( Vs ) was...
Article
Full-text available
The subsurface geological condition of East Java is an area that is crossed by an active fault geological structure. The National Earthquake Center revised the Indonesian Earthquake Hazard and Source Map of 2017 with the discovery of new active faults surrounding the Kendeng Zone, East Java. This research was conducted using Magnetoteluric (MT) met...
Article
Full-text available
Pringkuku is one of the transition areas where the morphology of karst began to develop toward the western part of Gunung Sewu Karst region. The purpose of this research is to identify the landform unit in Pringkuku’s Karst as the result of geomorphological processes recorded by Landsat 8 image and SRTM image. The research was conducted by analyzin...
Article
Full-text available
The existence of the kendeng fault passing Surabaya is still the subject of study by the researchers after being declared active by the National Earthquake Centre. The Surabaya was passed by two segments of the Kendeng fault, the Surabaya segment and the Waru segment, the two segments had an earthquake potential of 6.5 M. In the context of disaster...
Article
Full-text available
Referring to the Indonesian earthquake source and hazard map published by the National Earthquake Center (Pusgen) in 2017, it was stated that there were 34 active faults on the island of Java and could potentially be a source of earthquakes with earthquake strength more than the 6.5 M scale. Each potential source of earthquake needs to be carried o...
Article
Full-text available
The vulnerability of land in an area to earthquake ground motions is one of the factors causing damage caused by the earthquakes. The city of Surabaya, which is crossed by two active fault segments, needs an assessment to reduce the risk of being affected by an earthquake that might occur. The aims of this study are (1) to find out the distribution...
Article
Full-text available
The southern part of Java Island is located between the two plates of the subduction zone, therefore this region had an active tectonic and volcanic activities. Those made a deformation of the geology around the southern part of Java island. This research was conducted to know the volume of deep geological structures to provide an overview of disas...
Article
Full-text available
The Pasuruan fault is one of active faults in East-Java with the minimum estimated earthquake magnitude to be 6.6 Mw. Although the Pasuruan fault is relatively small in term of estimated earthquake magnitude, because the area is highly populated, earthquake along the fault could pose a significant hazard to the densely populated region and infrastr...
Article
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The discovery of the “J” letter-shaped brick structure (also called the Terung Temple) in Terung Wetan Village in 2012 is thought to be a heritage of the Majapahit Kingdom era. However, there is no further research to figure out the distribution of structures in the area. Geophysical surveys with 2D resistivity geoelectric methods-dipole-dipole con...
Article
Full-text available
Measurements of the 3D resistivity method have been carried out in the Terung Site, Terung Wetan Village, Krian, Sidoarjo Regency. The study was conducted to determine the distribution pattern of the Terung Site subsurface structure. Many archaeological sites from ancient times have been buried or deliberately buried beneath the surface. The proces...
Poster
Full-text available
Peninsular Malaysia is classified as seismically stable region as no earthquake occurred due to local sources. However, many believes that reactivation of local faults was due to the great Sumatra-Andaman earthquake back in 2004. The study of earthquake hazard is carried out to minimize the impact of earthquake disaster in the prone areas due to lo...
Article
Full-text available
Peninsular Malaysia is classified as seismically stable region as no earthquake occurred due to local sources. However, many believes that reactivation of local faults was due to the great Sumatra-Andaman earthquake back in 2004. The study of earthquake hazard is carried out to minimize the impact of earthquake disaster in the prone areas due to lo...
Article
Full-text available
East Java, Indonesia is the region with the third most abundant disaster event in Indonesia, with an incidence event of 287 in 2016 which increased to 20% from the incidence in 2015 (287 occurrences). Almost 98% of the disaster in this region was a hydro-meteorological disaster such as a landslide near mountain-slope. To mitigate the losses due to...
Article
Full-text available
Kabupaten Lumajang merupakan wilayah yang rentan terhadap tsunami karena berbatasan langsung dengan Pantai Selatan yang menjadi pusat gempa bumi serta keadaan pesisir pantai selatan Lumajang yang memiliki tingkat kepadatan penduduk dan pemukiman, aktivitas pemerintahan dan perekonomian yang tinggi. Pemetaan tingkat kerentanan tsunami perlu dilakuka...
Article
Full-text available
Indonesia lied among the three of world major plates so that several districts along the southern coast of Java Island were vulnerabled to the tsunami including Lumajang. South coast of Lumajang had high population density and settlements and high levels of government and economic activity. Therefore, it is necessary to know the level of insecurity...
Article
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Abstrak. Gunung Penanggungan merupakan gunung yang memiliki sejarah yang tinggi di Jawa Timur. Hal ini dibuktikan dengan banyaknya candi yang mengelilingi di komplek gunung ini. Setidaknya terdapat 116 yang ditemukan. Komplek Situs belahan merupakan salah satu komplek bangunan candi yang besar. Candi Gapura merupakan bagian pintu masuk dari komplek...
Article
Full-text available
Li1.33Mn1.67O4 (LMO) was successfully synthesized by solid state reaction method at temperature variation of 500, 600, and 700 °C. As-prepared samples are immersed in 1 lt 0.5M HCL for 24 hours to create vacant site for lithium ion. Lithium extraction process is employed by soaking the adsorbent LMO in 1 lt of Lumpur Sidoarjo for 24 hrs. SEM images...
Article
p class="abstrak">Papandayan volcano is a stratovolcano with irregular cone-shaped has eight craters around the peak. The most active crater in Papandayan is a Mas crater. Distribution of relocated event calculated using Geiger Adaptive Damping Algorithm (GAD) shows that the epicenter of the event centered below Mas crater with maximum rms 0.114. W...
Article
Full-text available
The recovery of lithium from geothermal fluid at Lumpur Sidoarjo, Indonesia was investigated employing an adsorption method with polymer membrane as container. The lithium concentration in geothermal fluid from Lumpur Sidoarjo used in the present study was about 5 mg/l. Lithium manganese oxide (LMO) was selected as a promising adsorbent material du...
Conference Paper
Lumpur Sidoarjo is one of geothermal fluid types which has a great potential as source of lithium. Adsorption method with Lithium Manganese Oxide (LiMn2O4) as an adsorbent has been chosen for lithium recovery process due to low production cost and environmental friendly. LiMn2O4 was synthesized by hydrothermal method at 200 °C for 24 hrs, 48 hrs, a...
Article
Full-text available
Geothermal fluid of Lumpur Sidoarjo (Lusi) with lithium content as high as 5.81 mg/liter has a great potential as the source of lithium. Lithium recovery from geothermal liquid of Lusi is firstly investigated by adsorption methods with Lithium Manganese Oxide (LMO) as absorbent. LMO is considered as a promising candidate of adsorbent material due t...