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Journal articles on the topic 'Seismic area'

Author: Grafiati

Published: 10 March 2023

Last updated: 31 July 2025

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1

Kamiludin, Udaya, I. Nyoman Astawa, and Moch Akrom Mustafa. "INDIKASI KETERDAPATAN ENDAPAN PLASER PEMBAWA TIMAH DAN UNSUR TANAH JARANG (REE), DI PERAIRAN TODAK, SINGKEP, KEPULAUAN RIAU." JURNAL GEOLOGI KELAUTAN 13, no. 2 (2016): 109. http://dx.doi.org/10.32693/jgk.13.2.2015.266.

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Penelitian geofisika di Perairan Todak, Singkep, Kepulauan Riau menggunakan seperangkat peralatan seismik pantul dangkal saluran tunggal. Tujuan penelitian ini adalah untuk menunjang penelitian keterdapatan endapan plaser pembawa timah dan unsur tanah jarang (REE). Hasil interpretasi rekaman seismik diperoleh terdapatnya lembah/mangkuk yang terbentuk secara alami akibat adanya terobosan batuan granit, di mana lembah/mangkuk-mangkuk ini merupakan tempat terjadinya sedimentasi dari hasil pelapukan batuan di sekitarnya. Hasil interpretasi rekaman seismik pantul saluran tunggal analog di perairan

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2

Miharno, Fatimah. "ANALISA POTENSI MINYAK DAN GAS BUMI DENGAN ATRIBUT SEISMIK PADA BATUAN KARBONAT LAPANGAN *ZEFARA* CEKUNGAN SUMATRA SELATAN." KURVATEK 1, no. 2 (2017): 21–31. http://dx.doi.org/10.33579/krvtk.v1i2.250.

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ABSTRACT*Zefara* Field formation Baturaja on South Sumatra Basin is a reservoir carbonate and prospective gas. Data used in this research were 3D seismik data, well logs, and geological information. According to geological report known that hidrocarbon traps in research area were limestone lithological layer as stratigraphical trap and faulted anticline as structural trap. The study restricted in effort to make a hydrocarbon accumulation and a potential carbonate reservoir area maps with seismic attribute. All of the data used in this study are 3D seismic data set, well-log data and check-shot

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3

Astawa, Nyoman, Priatin Hadi Widjaja, and Wayan Lugra. "POLA SEBARAN GAS CHARGED SEDIMENT DASAR LAUT DI PERAIRAN SIDOARJO JAWA TIMUR." JURNAL GEOLOGI KELAUTAN 9, no. 2 (2016): 65. http://dx.doi.org/10.32693/jgk.9.2.2011.201.

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Gas charged sediment dalam rekaman seismik dicirikan oleh tidak adanya gambar pantul dalam (free reflector), karena gas charged sediment merupakan media penyerap energi. Dari hasil penafsiran rekaman seismik dapat dibuat Peta Pola Sebaran Gas Charged sediment di daerah penelitian. Pola sebaran gas charged sediment di daerah penelitian cukup luas yaitu mulai dari Perairan Sukolilo hingga ke muara Kali Porong. Di bagian selatan daerah penelitian (L-12), sebaran gas charged sediment relatif lebih luas jika dibandingkan dengan di bagian utara (L-19).  Kata kunci : seismik, penafsiran,

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4

Iswanto, Eko Rudi, Theo Alvin Riyanto, and Hadi Suntoko. "Mikrozonasi di Daerah Plampang, Nusa Tenggara Barat." EKSPLORIUM 42, no. 1 (2021): 39. http://dx.doi.org/10.17146/eksplorium.2021.42.1.6243.

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ABSTRAK Provinsi Nusa Tenggara Barat (NTB) merupakan daerah dengan aktivitas kegempaan yang tinggi. Fenomena ini disebabkan oleh adanya aktivitas tektonik sebagai akibat pertemuan Lempeng Eurasia-Australia (zona subduksi) di bagian selatan dan Sesar Flores di bagian utara serta adanya keberadaan sesar-sesar lokal. Terkait dengan rencana pengembangan kawasan Samota di Pulau Sumbawa, NTB, perlu dilakukan suatu kajian kegempaan. Tujuan penelitian ini adalah memetakan indeks kerentanan seismik (Kg) melalui pengukuran mikrotremor dengan analisis menggunakan metode Horizontal to Vertical Spectral Ra

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5

Drogreshka, Katerina, Dragana Chernih, and Jasmina Najdovska. "SEISMICITY OF DEBAR EPICENTRAL AREA." Knowledge International Journal 28, no. 4 (2018): 1245–50. http://dx.doi.org/10.35120/kij28041245k.

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Main neotectonic regions in the territory of the Republic of Macedonia are the Vardar zone, West Macedonia and East Macedonia. These regions, being developed within major, regional tectonic units, are permanently uplifting with different intensities. They also show differences in the seismic activity, which is the reason to treat them as separate seismic zones, named with the same names. Debar epicentral area belongs to the West Macedonia seismic zone. This epicentral area is presented by the sinking of Drim graben (valley), crisscrossed by neotectonic faults which coused strong earthquake in

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6

Ramanna, C. K., and G. R. Dodagoudar. "Impact Analysis of Seismic Source Area Extent on Hazard Estimate for Chennai City." International Journal of Geotechnical Earthquake Engineering 5, no. 1 (2014): 75–100. http://dx.doi.org/10.4018/ijgee.2014010105.

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The present work is intended to study the effect of variation of seismic area source zone on hazard value for Chennai, India. In the conventional Cornell-McGuire approach to probabilistic seismic hazard analysis, the seismic activity rate for an area source is most often determined using the Gutenberg-Richter (G-R) recurrence law. The seismic area is delineated using geology, geography and/or seismotectonic characteristics of the region. However if the area lies in a distributed seismicity region, the delineation into different area zones introduces subjectivity. The impact of the areal extent

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7

Rahardiawan, Riza, and Catur Purwanto. "STRUKTUR GEOLOGI LAUT FLORES, NUSA TENGGARA TIMUR." JURNAL GEOLOGI KELAUTAN 12, no. 3 (2016): 153. http://dx.doi.org/10.32693/jgk.12.3.2014.256.

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Tujuan penelitian seismik saluran banyak di Laut Flores, Nusa Tenggara Timur adalah untuk mengetahui kondisi geologi bawah permukaan dasar laut. Daerah penelitian merupakan daerah yang aktif secara tektonik dan diekspresikan dalam bentuk prisma akresi, vulkanik tidak aktif dan sesar-sesar aktif yang membentuk morfologi dasar laut. Berdasarkan penafsiran stratigrafi seismik lapisan bawah permukaan dasar laut terdiri dari empat satuan batuan: Batuan Dasar, Prisma Akresi, Gunungapi Bawah Laut, dan Sedimen Klastika. Sedimen Klastika ini dibagi menjadi lima unit.   Kata kunci: seismik,

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8

Xie, Zhuo Juan, and Yue Jun Lu. "Determination of the Spatial Distribution Function of Bohai Seismic Tectonic Area." Advanced Materials Research 1065-1069 (December 2014): 1530–34. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1530.

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The spatial distribution function assigns seismicity parameters of seismic zone and belt to the potential earthquake source area seismic by the magnitude interval, determination of the spatial distribution function is one of the key technologies to comprehensive probabilistic seismic hazard analysis methods, and the results will directly influence seismic hazard analysis results of the calculated sites. However, the spatial distribution functions are hard to get by statistics due to serious lack of seismic samples, and evaluation factors used in the actual work are too complex and not independ

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9

Ju, Mingfeng, and Rongyi Qian. "Practical Application of UAV Source in Complex Area Exploration." Journal of Physics: Conference Series 2651, no. 1 (2023): 012115. http://dx.doi.org/10.1088/1742-6596/2651/1/012115.

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Abstract Unmanned Aerial Vehicle(UAV) source is a new source for shallow seismic exploration. UAV source is based upon the principle of an accelerated weight drop from a high altitude. A 5-kilogram object is carried 500 meters above the surface, controlled by special remote control equipment to free fall at the exact moment we need it, and by hitting the ground at high speed, it generates a powerful amount of seismic waves. Different from traditional seismic sources, such as explosive sources and vibroseis, UAVs are not limited by terrain and it can generate seismic waves in complex environmen

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10

Paramonov, S. S., D. Z. Kappushev, T. A. Manukyan, Kh Yu Evloyev, and E. A. Barseghyan. "Man-made seismicity in the area of the Leninskoye coal deposit." Mining Industry Journal (Gornay Promishlennost), no. 6/2022 (January 15, 2023): 131–36. http://dx.doi.org/10.30686/1609-9192-2022-6-131-136.

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The paper presents an analysis of seismotectonic conditions in the area of the Leninskoye coal deposit (Kuzbass). The territory of the Leninskiy district is belongs to the coverage zone of the Altai-Sayan regional seismic stations network. The results of research into intensification of seismic activity in the Kuzbass region using the local networks of seismic stations are considered. In the course of seismic observations in the territory of the Kemerovo region four seismically active zones been identified that encircle the largest industrial megacities of Kuzbass and that are responsible for

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11

Woo, Gordon. "Seismic area zones: myth or reality?" Terra Nova 6, no. 5 (1994): 535–36. http://dx.doi.org/10.1111/j.1365-3121.1994.tb00897.x.

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12

Sari, Anggun Mayang, and Afnindar Fakhrurrozi. "SEISMIC HAZARD MICROZONATION BASED ON PROBABILITY SEISMIC HAZARD ANALYSIS IN BANDUNG BASIN." RISET Geologi dan Pertambangan 30, no. 2 (2020): 215. http://dx.doi.org/10.14203/risetgeotam2020.v30.1138.

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The geological and seismic-tectonic setting in the Bandung Basin area proliferates the seismicity risk. Thus, it is necessary to investigate the seismic hazards caused by the foremost seismic source that affects the ground motions in the bedrock. This research employed Probability Seismic Hazard Analysis (PSHA) method to determine the peak ground acceleration value. It considers the source of the earthquakes in the radius of 500 km with a return period of 2500 years. The analysis results showed that the Peak Ground Acceleration (PGA) in this region varies from 0.46 g to 0.70 g. It correlates w

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13

Kusnida, Dida, and Tommy Naibaho. "LATE NEOGENE SEISMIC STRUCTURES OF THE SOUTH BATANTA BASIN, WEST PAPUA." BULLETIN OF THE MARINE GEOLOGY 29, no. 1 (2016): 11. http://dx.doi.org/10.32693/bomg.29.1.2014.61.

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Study on multi-channel seismic records from South Batanta Basin, West Papua acquired during RV Geomarin III cruise in 2013 were aimed to invent and map geological aspects and for geo-tectonic and geological history studies. Seismic data indicate that sediment sequences which can be observed from our seismic system in the study area are characterized by pre-extension sediments (Lower Early Miocene-Upper Early Pliocene), syn-extension sediments (Lower Middle Pliocene-Upper Late Pliocene), post-extension sediments (Early Pleistocene), and syn-inversion sediments (Late Pleistocene-Recent) typical

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14

Baba Hamed, Fatima Zohra, Driss Djaouad Rahal, and Farid Rahal. "SEISMIC RISK ASSESSMENT OF ALGERIAN BUILDINGS IN URBAN AREA." Journal of Civil Engineering and Management 19, no. 3 (2013): 348–63. http://dx.doi.org/10.3846/13923730.2012.744772.

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The recent earthquakes in Algeria have caused significant human and economic losses. The frequent occurrence of damaging earthquakes clearly demonstrates the urgent need of study on seismic risk assessment methods of buildings to effectively reduce the impact of earthquake in Algerian cities. This article contributes to the development and the application of a seismic risk method, appropriate to Algerian building specificities. This method considers five damage levels, defined accordingly to macroseismic intensity and the seismic quality of the building by means of a vulnerability index. The p

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15

Pramumijoyo, Subagyo, Myo Thant, and Hiroshi Kawase. "SEISMIC HAZARD MAPPING FOR YOGYAKARTA DEPRESSION AREA, INDONESIA." ASEAN Engineering Journal 1, no. 3 (2011): 57–68. http://dx.doi.org/10.11113/aej.v1.15298.

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The probabilistic seismic hazard maps are developed for Yogyakarta depression area. The earthquake catalog of ANSS (1970-2007) is taken into account. On the basis of seismicity of the area, tectonics and geological information, the seismic source zones are characterized for this area. The seismicity parameters of each seismic source are determined by applying the classical Gutenberg-Richter recurrence model, regarding the historical records. The attenuation relation for Yogyakarta depression area cannot be evaluated since the sufficient strong ground motion records are not available for this r

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16

Suarez, Gabriela. "Designing 3D seismic surveys in the Macal area using seismic modeling." Leading Edge 23, no. 10 (2004): 1071–76. http://dx.doi.org/10.1190/1.1813361.

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17

Hinds, Ronald C., Neil L. Anderson, and Richard Kuzmiski. "An integrated surface seismic/seismic profile case study: Simonette area, Alberta." GEOPHYSICS 58, no. 11 (1993): 1676–88. http://dx.doi.org/10.1190/1.1443383.

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On the basis of conventional surface seismic data, the 13–15–63–25W5M exploratory well was drilled into a low‐relief Leduc Formation reef (Devonian Woodbend Group) in the Simonette area, west‐central Alberta, Canada. The well was expected to intersect the crest of the reef and encounter about 50–60 m of pay; unfortunately it was drilled into a flank position and abandoned. The decision to abandon the well, as opposed to whipstocking in the direction of the reef crest, was made after the acquisition and interpretive processing of both near( and far‐offset (252 and 524 m, respectively) vertical

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18

Weichert, Dieter. "Seismic acceleration zones in the Vancouver area." Canadian Journal of Civil Engineering 21, no. 2 (1994): 351–53. http://dx.doi.org/10.1139/l94-035.

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Since 1990, an increased number of locations for the Lower Mainland of British Columbia has been listed in the Table of Climatic Data in the Supplements to the National Building Code of Canada. While for most of the new locations the seismic acceleration and velocity zones are shown as Za = Zv = 4, Ladner is listed with Za = 5, leading to significant cost increase in the construction of certain types of buildings. Although the zonal value is formally correct, it is suggested that such discrimination is not justified by the current precision of seismic hazard estimation.The Canadian National Co

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Zhang, Hang, Xie Dong Zhang, and Jin Tian Wang. "Analysis of Viscous Dampers for Continuous Bridge in Meizoseismal Area." Applied Mechanics and Materials 353-356 (August 2013): 2149–52. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2149.

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Continuous bridges jolted the public attention into the awareness of the seismic vulnerability due to its wide application in bridge engineering. Viscous dampers can effectively improve the seismic performance of continuous bridge. In this paper, taking the Yellow River Bridge located in seismic region with intensity VIII as an example, the influence of the damping coefficient and velocity exponent of the damper on seismic responses of the bridge are carried out in detail. The applicable model parameters are also presented.

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20

Aydin, Ali, Erdal Akyol, Mahmud Gungor, Nuray Soyatik, and Suat Tasdelen. "Seismic Microzonation for Denizli Metropolitan Area, Turkey." Applied Mechanics and Materials 802 (October 2015): 40–44. http://dx.doi.org/10.4028/www.scientific.net/amm.802.40.

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This study presents microzonation of the Denizli city center, is about 225 km2. It is mainly rely on t seismic velocities of the tested soil. For seismic microzonation area of has been selected as the study area. Seismic refraction methods have been used to generate two-dimensional profiles at 310 locations. These p and s wave velocities are used to estimate boundaries of the velocities at every 2 and 5 m intervals up to a depth of 60 m. The results are satisfactory for urban planning and it can successfully be used in urban areas. The municipal authority may be considered to use the results f

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Liu, Cheng Bin, Ya Ling Ou, Xing Chen Dong, et al. "Study on the Seismic Performance of Rural Buildings in Beijing Area." Applied Mechanics and Materials 353-356 (August 2013): 2397–401. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2397.

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Wenchuan earthquake caused huge losses in rural areas. The subject briefly introduced the earthquake damage characteristics of masonry structures, analyzed the earthquake damage reasons. The main purpose is to propose some measures to improve the seismic capacity of rural buildings in Beijing area. Through two seismic fortification measures, can effectively enhance the integrity of the masonry structure, reduce the seismic response, effectively improve the seismic capacity of the structure.

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Zhang, Guanlong, Peng Xiang, Jinduo Wang, et al. "Geologic modeling study of foothill area of the Junggar Basin rim." Interpretation 6, no. 4 (2018): SM19—SM26. http://dx.doi.org/10.1190/int-2018-0003.1.

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The varied terrain and complex subsurface structure in the foothill segment of fold and thrust belts results in low-quality seismic data. Therefore, a structural model built only on the basis of seismic will have low reliability and be nonunique. To solve these problems, we have developed a comprehensive modeling method for foothill zones that combines gravity, magnetic (MT), electric, and seismic data. Information from gravity, MT, electric, and seismic data is fully used in each step of modeling. This reduces the nonuniqueness and guarantees the rationality and reliability of the tectonic mo

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Zheng, Y., and W. D. Wang. "Research on the Source Parameters and Scaling Relations of Earthquakes in Qinba Mountain and Its Adjacent Area." Journal of Physics: Conference Series 2895, no. 1 (2024): 012026. https://doi.org/10.1088/1742-6596/2895/1/012026.

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Abstract In this paper, the source parameters were determined for 123 small to moderate size earthquakes (1.2 ≤ ML ≤ 4.5) occurred during 1997-2013 in Qinba Mountain and its adjacent area by using the digital seismic data recorded in Shaanxi seismic network. The scaling relations between seismic moment, stress drop, seismic radiated energy with seismic magnitude are determined, the relations between scaled energy Eg/M0 and seismic moment are analyzed. The results show that the seismic stress drop in this area approximately increases with the increase of seismic moment, but the seismic stress d

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Wang, Ruijuan. "Seismic Data Acquisition Technology in Loess Mountainous Area of Ordos and Southern Jiangsu." Scientific Research Bulletin 1, no. 3 (2024): 15–18. https://doi.org/10.71052/srb2024/vyno9901.

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The surface of the loess mountain area in southern Ordos is covered by a thick loess layer, and the seismic exploration process has poor excitation and reception effects of seismic waves, and the reflection energy of seismic waves in the target horizon is weak, and the quality of collected data is poor. According to the principle that high water saturation and good lithology of loess layer will be beneficial to seismic wave excitation, through the investigation of water saturation and lithology of loess layer in the study area, the best seismic wave excitation horizon and depth are determined,

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25

Alyeshina, E. A., L. I. Karpenko, S. V. Kurtkin, V. V. Atrokhin, and J. V. Gabdrakhmanova. "Seismic zoning of the Teutejak ore field area (Magadan region)." Russian Journal of Seismology 5, no. 1 (2023): 60–74. http://dx.doi.org/10.35540/2686-7907.2023.1.04.

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Earthquakes’ nature was studied and detailed seismic zoning and seismic micro-zoning were carried out for the Teutejak ore field area (Magadan region), considering geological, geophysical and seismological data. Detailed seismic zoning was based on tectonic zoning maps of Magadan region and seismological monitoring data in the vicinity the Teutejak ore field area, carried out by MB GS RAS. 10 source zones and 8 faults generating earthquakes were identified. Hypocenters of potential maximum earthquakes were determined. They are associated with the largest deep faults (Khurensky and Chelomdzha-Y

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Rodrigues, Philipe Q., João C. Pantoja, and Humberto Varum. "SeismicV: A Mobile Tool for Assessing the Seismic Vulnerability of Buildings." Buildings 15, no. 14 (2025): 2541. https://doi.org/10.3390/buildings15142541.

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Rapid visual screening has been used worldwide as the first approach to evaluate the seismic vulnerability of civil structures in a specific area, in order to prioritize buildings based on the need for upgrading or retrofitting. In this work, a novel mobile application tool for the rapid visual screening of reinforced concrete buildings is presented and discussed. The herein suggested “SeismicV” tool performs a pre-seismic visual screening based on the Japanese guidelines for the seismic evaluation of existing RC buildings. A preliminary seismic vulnerability assessment of a complex modern bui

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Wang, Zhenming, David T. Butler, Edward W. Woolery, and Lanmin Wang. "Seismic Hazard Assessment for the Tianshui Urban Area, Gansu Province, China." International Journal of Geophysics 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/461863.

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A scenario seismic hazard analysis was performed for the city of Tianshui. The scenario hazard analysis utilized the best available geologic and seismological information as well as composite source model (i.e., ground motion simulation) to derive ground motion hazards in terms of acceleration time histories, peak values (e.g., peak ground acceleration and peak ground velocity), and response spectra. This study confirms that Tianshui is facing significant seismic hazard, and certain mitigation measures, such as better seismic design for buildings and other structures, should be developed and i

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Ghimire, Sunita. "Probabilistic seismic hazard analysis of Nepal." Journal of Innovations in Engineering Education 2, no. 1 (2019): 199–206. http://dx.doi.org/10.3126/jiee.v2i1.36676.

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Probabilistic seismic hazard analysis for Nepal has been carried out considering uniform density model. A detailed earthquake catalogue since 1255 A.D, within the rectangular area has been developed and historical earthquakes are plotted in the map of Nepal. Five hundred twenty eight numbers of areal sources are used within the study area to characterize the seismic sources. The completeness of the data has been checked by using Stepp's procedure. Seismicity in four regions of study area has been evaluated by defining 'a' and 'b' parameters of Gutenberg Richter recurrence relationship. Seismic

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Oh, HyunJu, JunSung Lee, and HyungChoon Park. "Microzonation of Sejong City Area Based on Site Amplification Generated by Pohang-Type Seismic Waves." Journal of the Korean Society of Hazard Mitigation 22, no. 6 (2022): 263–71. http://dx.doi.org/10.9798/kosham.2022.22.6.263.

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When an earthquake occurs, the behavior of the ground is significantly influenced by the seismic wave characteristics (waveform) and soil layer conditions. In local and international seismic design standards, it is recommended that the input seismic wave should correspond to the design response spectrum and reflect the fault characteristics. In this study, ground response analysis was performed to satisfy the seismic design standards using modified design seismic waves generated by the Pohang seismic waves measured at the bedrock location. The peak ground acceleration, ground amplification rat

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Chen, Lin Jie, and Bo Liang. "Analysis of Anti-Seismic Fortified Length of Tunnel Portal in High Seismic Intensity Area." Applied Mechanics and Materials 90-93 (September 2011): 2057–61. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.2057.

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In high seismic intensity area, strong seismic motion may cause the ruin of highway tunnel, especially the tunnel portal which is the weak links for anti-seismic fortifying. Based on soil-structure interaction model, 3D seismic responses of tunnel portal, in combination with the Menglian tunnel engineering on the Bao-Teng Highway in Yunnan, were performed by using viscous-spring artificial boundary and time history analysis method. The anti-seismic fortified length of tunnel portal to the effects of dynamic and crack property was studied. The results show that the acceleration of lining gradua

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Karakaisis, G. F., C. B. Papazachos, and E. M. Scordilis. "SEISMIC SOURCES AND MAIN SEISMIC FAULTS IN THE AEGEAN AND SURROUNDING AREA." Bulletin of the Geological Society of Greece 43, no. 4 (2017): 2026. http://dx.doi.org/10.12681/bgsg.11393.

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A seismic source is defined, in the present work, as the part of the seismogenic layer of theearth’s crust with a circular horizontal dimension (E, R), where E is the epicenter of the largestearthquake (mainshock) ever occurred in this seismic source and radius equal to the half faultlength of this largest earthquake (R=L/2). In addition to foreshocks and aftershocks othersmaller mainshocks occur in other smaller faults of this source or in parts of the main fault.All available historical and instrumental data concerning strong (M³6.0) shallow (h≤60 km) andintermediate depth (60km<h≤100km)

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32

Senatorski, Piotr. "Effect of seismic moment–area scaling on apparent stress–seismic moment relationship." Physics of the Earth and Planetary Interiors 196-197 (April 2012): 14–22. http://dx.doi.org/10.1016/j.pepi.2012.02.001.

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Zhao, Chongxu, Lunqiang Yao, Shichao Hou, Yantao Zhu, Hao Gu, and Bo Li. "Seismic finite element analysis of tailings dam in high seismic intensity area." IOP Conference Series: Earth and Environmental Science 525 (July 7, 2020): 012057. http://dx.doi.org/10.1088/1755-1315/525/1/012057.

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Jamaluddin, Jamaluddin, Johanes Gedo Sea, Fitriani Fitriani, and Maria Maria. "PENGOLAHAN DATA SEISMIK 2D MARINE MENGGUNAKAN ProMAX DI AREA TENGGARA PULAU SIMEULUE." PETROGAS: Journal of Energy and Technology 2, no. 2 (2020): 26–43. http://dx.doi.org/10.58267/petrogas.v2i2.42.

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Multiple in marine seismic data is the noise formed due to the high impedance contrast at the boundary between layer. Multiple interferes the data processing that will also affect the interpretation of subsurface image. The use of seismic reflection in ocean has become an activity that is often performed with a variety of purposes, to map the subsurface. The basic objective of seismic data processing is to convert the recorded information from the field into data that can be interpreted. One goal of seismic data processing is to eliminate or reduce the noise of reverberation and multiples as w

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Li, Jipeng, Xin Li, Lijing Wang, Shan Sun, and Shuyu Wang. "Application of seismic attribute analysis in Ordovician reservoir prediction in Hechuan Tongnan exploration area, Sichuan Basin." Journal of Physics: Conference Series 2834, no. 1 (2024): 012205. http://dx.doi.org/10.1088/1742-6596/2834/1/012205.

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Abstract Exploration has revealed that the Ordovician in Sichuan Basin has good conditions for oil and gas accumulation in the peripheral areas of the paleo-uplift, but it is difficult to predict the carbonate reservoirs due to their strong heterogeneity and complex planar distribution. Based on seismic, drilling, logging and analysis data, this paper makes full use of 3D seismic data from the Hechuan Tongnan exploration area to study the relationship between petrophysical parameters and geophysics parameters, the seismic response characteristics of carbonate reservoir are determined by forwar

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Zaharia, Bogdan, Bogdan Grecu, Andreea Tolea, and Mircea Radulian. "Seismic Observations in Bucharest Area with a Raspberry Shake Citizen Science Network." Applied Sciences 13, no. 9 (2023): 5646. http://dx.doi.org/10.3390/app13095646.

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Technological advancements and the appearance of low-cost Raspberry Shake seismographs have enabled the development of citizen science seismic networks in many areas worldwide. These networks can help reduce seismic risk and increase citizens’ understanding of seismology and earthquakes. Such a network exists in Bucharest, one of the cities in Europe that are struck and affected by strong Vrancea earthquakes. The paper aims to show that data from such networks can be used in both outreach programs and research studies. There are presented, for the first time, seismic observations collected ove

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Zhou, Qi, and Wen Long Ding. "Seismic Reservoir Prediction in Lengjia-Leijia Area." Applied Mechanics and Materials 318 (May 2013): 428–31. http://dx.doi.org/10.4028/www.scientific.net/amm.318.428.

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Through the deep exploration in Lengjia-Leijia area, four reservoirs were found: the lower sub-section of the third member of Shahejie formation, the fourth member of Shahejie formation, Mesozoic, and Archean. The fourth member of Shahejie formation and the layer below it had fewer drilling reach; its reservoir stratums are different. Seismic reservoir prediction has become the major means of oil-gas reservoir evaluation. The logging-constrained inversion method was applied in this study. A geologic model was established based on the detailed interpretation of seismic data; then, inversion and

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Li, Changlong, and Mengtan Gao. "Seismic Hazard Model Harmonization in Tienshan Area." Journal of Risk Analysis and Crisis Response 9, no. 2 (2019): 74. http://dx.doi.org/10.2991/jracr.k.190703.003.

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Hakimov, Farkhod, Gisela Domej, Anatoly Ischuk, Klaus Reicherter, Lena Cauchie, and Hans-Balder Havenith. "Site Amplification Analysis of Dushanbe City Area, Tajikistan to Support Seismic Microzonation." Geosciences 11, no. 4 (2021): 154. http://dx.doi.org/10.3390/geosciences11040154.

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Being a country exposed to strong seismicity, the estimation of seismic hazard in Tajikistan is essential for urbanized areas, such as the rapidly growing capital city Dushanbe. To ensure people’s safety and adequate construction work, a detailed seismic microzonation is the key to proper hazard planning. Existing estimations of seismic hazard date back to 1978; they are based on engineering geological investigations and observed macroseismic data. Thereupon relies the Tajik Building Code, which considers seismic intensities according to the Medvedev–Sponheuer–Karnik Scale, MSK-64. However, th

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ΠΑΠΑΔΟΠΟΥΛΟΣ, Τ. Δ., Ι. ΑΛΕΞΟΠΟΥΛΟΣ, Π. ΚΑΜΠΟΥΡΗΣ, Σ. ΤΟΛΗΣ, and Σ. ΚΑΒΟΥΝΙΔΗΣ. "Contribution of modern seismic methods for subsurface investigations. An applicaton at Kalogreza area (Athens)." Bulletin of the Geological Society of Greece 34, no. 4 (2001): 1317. http://dx.doi.org/10.12681/bgsg.17220.

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In this paper the application of the seismic tomography method for subsurface investigation, especially in the case of adit detection at depths between 30 and 80 meters is presented. The use of non destructive seismic sources as the mechanical hammer as well as seismic detonators were allowed seismic waves of dominant frequency between 200Έ250 Hz to be recorded. After the processing of seismic records and the subtraction of seismic noise by applying appropriate filters, the technique of non linear inversion was elaborated by using the advanced algorithm of J. Zhang and N. Toksoz (1998). This t

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ogli Ahmadov, Tofig Rashid. "Design of a combined cube of seismic data acquired in areas of complicated relief by use of various seismic source types." E3S Web of Conferences 411 (2023): 01050. http://dx.doi.org/10.1051/e3sconf/202341101050.

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The paper gives brief information on the study area with attention focused mainly on complex surface seismic and geological environment, stipulating the use of 3D seismic survey in this area. As the area features complicated relief, the sources and receivers have been chosen individually for each location of the survey. Seismic energy sources generated various seismic oscillations and this complicated the design of combined 3D cube for the whole study area. By use of modeling we have reduced all oscillations to the minimal-phased form. The next stage of processing consisted in use of shifts of

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Sandoli, Antonio, Claudio D’Ambra, Carla Ceraldi, Bruno Calderoni, and Andrea Prota. "Sustainable Cross-Laminated Timber Structures in a Seismic Area: Overview and Future Trends." Applied Sciences 11, no. 5 (2021): 2078. http://dx.doi.org/10.3390/app11052078.

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Cross-laminated timber (CLT) buildings are recognized as a robust alternative to heavyweight constructions, because beneficial for seismic resistance and environmental sustainability, more than other construction materials. The lightness of material and the satisfactory dissipative response of the mechanical connections provide an excellent seismic response to multi-story CLT buildings, in spite of permanent damage to timber panels in the connection zones. Basically, CLT constructions are highly sustainable structures from extraction of raw material, to manufacturing process, up to usage, disp

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Decanini, Luis, Giacomo Di Pasquale, Paolo Galli, Fabrizio Mollaioli, and Tito Sanò. "Seismic Hazard and Seismic Zonation of the Region Affected by the 2002 Molise, Italy, Earthquake." Earthquake Spectra 20, no. 1_suppl (2004): 131–65. http://dx.doi.org/10.1193/1.1771012.

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In 1998, a new system of seismic classification promoted by the Department of Civil Protection identified the area in Italy hit by the 2002 earthquake in Molise and Puglia as a Zone 2 (moderately seismic). However, this classification was not adopted until March 2003, when an ordinance passed that partially closed the gap between scientific knowledge and official recognition of seismic hazard and that established a method for constantly updating the classification in the future. This paper reviews some of the methods available to assess the seismic hazard, particularly referring to the rich se

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Al Karadaghi, Salar S. Hasan. "Exploratory Seismic Geophysical Study of the Khanuqah Structure Area." Journal of Petroleum Research and Studies 12, no. 1(Suppl.) (2022): 35–53. http://dx.doi.org/10.52716/jprs.v12i1(suppl.).619.

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Khanuqah structure area carried as the geophysics exploration study of Jeribe Formation target, the area located in the north of Iraq within Salah Aldeen Governorate, has been used geophysical data represented by 2D seismic lines were executed as exploratory surveys of 27 seismic lines, the data interpretations used by Petrel software (version 2018) based on the required aims, which are determined to achieve an update the structural model in Jeribe Fn. as a gas reservoir.The results show the Khanaqah structure includes five domes, the general direction of the structure axis is northwest-southe

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Telesca, Luciano, Nino Tsereteli, Nazi Tugushi, and Tamaz Chelidze. "Statistical Investigation of the 2020–2023 Micro-Seismicity in Enguri Area (Georgia)." Geosciences 15, no. 7 (2025): 247. https://doi.org/10.3390/geosciences15070247.

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In this study, we analyzed the microearthquake seismicity in the Enguri area (Georgia) recorded between 2020 and 2023 using a newly installed seismic network developed within the DAMAST project. The high sensitivity of the network allowed the detection of even very small seismic events, enabling a detailed investigation of the temporal dynamics of local seismicity. Statistical analyses suggest that the seismic activity around the Enguri Dam is influenced by a combination of natural tectonic processes and subtle reservoir-induced stress changes. While the dam does not appear to exert strong sei

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Cui, Jiawei, Ailan Che, Sheng Li, and Yongfeng Cheng. "Evaluation method on seismic risk of substation in strong earthquake area." PLOS ONE 16, no. 12 (2021): e0258792. http://dx.doi.org/10.1371/journal.pone.0258792.

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Frequent earthquakes in strong earthquake areas pose a great threat to the safety operation of electric power facilities. There exists a pressing research need to develop an assessment method for the seismic risk of substations, i.e., the hubs of power system networks. In this study, based on Incremental Dynamic Analysis (IDA), Probabilistic Seismic Demand Model (PSDM) and reliability theory, a vulnerability model for a substation is obtained, based on considering the relationships between Peak Ground Acceleration (PGA) and four seismic damage states (complete, extensive, moderate, and slight.

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Vamvakaris, D. A., C. B. Papazachos, Ch A. Papaioannou, E. M. Scordilis, and G. F. Karakaisis. "A detailed seismic zonation model for shallow earthquakes in the broader Aegean area." Natural Hazards and Earth System Sciences 16, no. 1 (2016): 55–84. http://dx.doi.org/10.5194/nhess-16-55-2016.

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Abstract. In the present work we propose a new seismic zonation model of area type sources for the broader Aegean area, which can be readily used for seismic hazard assessment. The definition of this model is based not only on seismicity information but incorporates all available seismotectonic and neotectonic information for the study area, in an attempt to define zones which show not only a rather homogeneous seismicity release but also exhibit similar active faulting characteristics. For this reason, all available seismological information such as fault plane solutions and the corresponding

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Vamvakaris, D. A., C. B. Papazachos, C. Papaioannou, E. M. Scordilis, and G. F. Karakaisis. "A detailed seismic zonation model for shallow earthquakes in the broader Aegean area." Natural Hazards and Earth System Sciences Discussions 1, no. 6 (2013): 6719–84. http://dx.doi.org/10.5194/nhessd-1-6719-2013.

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Abstract. In the present work we present an effort to define a new seismic zonation model of area type sources for the broader Aegean area, which can be readily used for seismic hazard assessment. The definition of this model is based not only on seismicity information but incorporates all available seismotectonic and neotectonic information available for the study area, in an attempt to define zones which show not only a rather homogeneous seismicity release but also exhibit similar active faulting characteristics. For this reason, all available seismological information such as fault plane s

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AHMADOV, Tofik, and Amikishi ASADLİ. "IMPROVING THE VISUALIZATION OF THE GEOLOGICAL STRUCTURE OF THE HOVSAN AREA, AZERBAIJAN USING VSP." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 1 (108) (2025): 61–66. https://doi.org/10.17721/1728-2713.108.08.

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Background. Increasing the resolution (both vertical and horizontal) of land and borehole seismic exploration is an urgent task facing geophysicists. There are various ways to increase the resolution of seismic studies, among which inelastic absorption takes a special place. This method has not been widely used compared to other methods (for example, distribution of the total charge of explosives over smaller ones, i.e., grouping of sources, inverse filtering - deconvolution, etc.) due to the limited amount of information about inelastic absorption and the difficulty of determining it or the q

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Timotius, Hagayudha, and Yulinar Firdaus. "QUALITY IMPROVEMENT OF SEISMIC IMAGE FROM 2D PSDM (PRE STACK DEPTH MIGRATION) USING TOMOGRAPHY FOR INTERVAL VELOCITY MODEL REFINEMENT." BULLETIN OF THE MARINE GEOLOGY 28, no. 2 (2016): 43. http://dx.doi.org/10.32693/bomg.28.2.2013.59.

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The main goal of seismic exploration is to get an accurate image of subsurface section so it can be easily interpreted. Pre Stack Depth Migration (PSDM) is such a powerful imaging tool especially for complex area such an area where strong lateral velocity variations exist. The main challenge of PSDM is the need of accurate interval velocity model.In this research, Dix Transformation, coherency inversion, and tomography are used for initial interval velocity model, and then tomography is used for interval velocity model refinement. We compare also between seismic image resulted from PSDM and PS

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