Journal of Seismology最新文献

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Seismological study around the Enguri dam reservoir (Georgia) based on old catalogs and ongoing monitoring 基于旧目录和持续监测的 Enguri 大坝水库(格鲁吉亚)周边地震研究
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-11-07 DOI: 10.1007/s10950-023-10173-5
Nasim Karamzadeh, Nino Tsereteli, Emmanuel Gaucher, Nazi Tugushi, Tamar Shubladze, Otar Varazanashvili, Andreas Rietbrock
{"title":"Seismological study around the Enguri dam reservoir (Georgia) based on old catalogs and ongoing monitoring","authors":"Nasim Karamzadeh,&nbsp;Nino Tsereteli,&nbsp;Emmanuel Gaucher,&nbsp;Nazi Tugushi,&nbsp;Tamar Shubladze,&nbsp;Otar Varazanashvili,&nbsp;Andreas Rietbrock","doi":"10.1007/s10950-023-10173-5","DOIUrl":"10.1007/s10950-023-10173-5","url":null,"abstract":"<div><p>In the frame of the DAMAST (Dams and Seismicity) project, we deployed a dense high-fidelity seismological real-time network to investigate in detail the spatio-temporal seismicity distribution around the Enguri high dam, situated in the greater Caucasus in western Georgia. We aim at recording the weak seismicity in a 10 km distance around the dam structure. To lower the detection threshold by reducing the ambient background noise, we installed four seismic stations in shallow (ca. 20 m) and deep boreholes. From these stations, KIT1 with a depth of ca. 250 m is the deepest seismological station in Georgia. In this paper, we characterize the seismicity recorded by the local seismic network from October 2020 to July 2022. To have a better historical picture of the seismic activity, especially since the dam construction and initial operations, re-processing of the old seismological catalogs was carried out. This required digitizing the paper-only catalog copies prior to relocation. We finally obtain a uniform catalog for the Enguri region to characterize the seismicity and start investigating its possible relationship with the exploitation of the dam reservoirs.</p></div>","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":"27 6","pages":"953 - 977"},"PeriodicalIF":1.6,"publicationDate":"2023-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10950-023-10173-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135480275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Seismic microzoning in Novi Sad, Serbia – A case study in a low-seismicity region that is exposed to large and distant earthquakes 塞尔维亚诺维萨德的地震小区划--受远距离大地震影响的低震区案例研究
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-11-03 DOI: 10.1007/s10950-023-10174-4
V. W. Lee, M. D. Trifunac, B. Đ. Bulajić
{"title":"Seismic microzoning in Novi Sad, Serbia – A case study in a low-seismicity region that is exposed to large and distant earthquakes","authors":"V. W. Lee,&nbsp;M. D. Trifunac,&nbsp;B. Đ. Bulajić","doi":"10.1007/s10950-023-10174-4","DOIUrl":"10.1007/s10950-023-10174-4","url":null,"abstract":"<div><p>We use a method based on Uniform Hazard Spectrum (UHS) to compile seismic microzonation maps for the broader area of Novi Sad, a city in Serbia. The maps are intended for use in the performance-based design (PBD) of earthquake-resistant structures. At present, PBD requires the use of two sets of spectral amplitudes, one in which the structure remains linear and the other in which it may respond nonlinearly. These PBD requirements cannot be met by using only one (same) fixed-shape spectrum and scaling by peak ground acceleration alone for varying probabilities of exceedance. The alternative we present in this paper is based on UHS and describes a combined contribution from (a) seismic excitation by local earthquakes, for which region-specific attenuation equations are used, and (b) seismic excitation by large, distant earthquakes, for which different attenuation equations are used. Our maps also take into account the influences of site geology and site soil conditions in a balanced manner.</p></div>","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":"27 6","pages":"979 - 997"},"PeriodicalIF":1.6,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135868166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low-magnitude seismic swarms in the Calabrian Arc (Italy) 卡拉布里亚弧(意大利)的低震级地震群
4区 地球科学
Journal of Seismology Pub Date : 2023-10-01 DOI: 10.1007/s10950-023-10171-7
Giuseppe Davide Chiappetta, Mario La Rocca
{"title":"Low-magnitude seismic swarms in the Calabrian Arc (Italy)","authors":"Giuseppe Davide Chiappetta, Mario La Rocca","doi":"10.1007/s10950-023-10171-7","DOIUrl":"https://doi.org/10.1007/s10950-023-10171-7","url":null,"abstract":"Abstract Seismic swarms of low magnitude earthquakes occur frequently in the Calabrian Arc. During the last few years, several earthquakes of magnitude up to M L 4.4 occurred both on land and offshore near the coast of Calabria. Some of them were followed by a sequence of tens to hundreds of smaller, well-clustered earthquakes that occurred during the following weeks or months. In other cases, swarms of low-magnitude earthquakes occur without a classical mainshock-aftershock evolution. In this work, we selected swarms that were well recorded by a high number of seismic stations to perform a detailed analysis consisting of the determination of the relative location and focal mechanism for as many earthquakes as possible. In some cases, the relative location allows to recognize the seismogenic fault and to distinguish the fault plane from the auxiliary plane of the focal mechanism solution. In other cases, the relative location unravels a small cloud of events that is not compatible with a unique fault plane, suggesting the occurrence of the swarm in highly fractured seismogenic volume. The relative hypocenter positions allow to estimate the size of the seismogenic volume, which is very small in most of the cases, often less than 1 km 3 . However, its extension is greater than the size computed for the mainshock rupture in many cases. The most common source mechanism is of normal type, but strike-slip and reverse kinematics are also found, in particular for swarms located offshore and near the coast. The temporal distribution of events does not show any evident migration of the sources, thus suggesting that the driving mechanism is not related with aseismic phenomena like fluid diffusion and stress waves.","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134934289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Probabilistic seismic microzonation for ground shaking intensity, a case study in Türkiye 地震动强度的概率地震微区划,以台湾为例
4区 地球科学
Journal of Seismology Pub Date : 2023-10-01 DOI: 10.1007/s10950-023-10170-8
Gökçe TÖNÜK, Atilla Ansal
{"title":"Probabilistic seismic microzonation for ground shaking intensity, a case study in Türkiye","authors":"Gökçe TÖNÜK, Atilla Ansal","doi":"10.1007/s10950-023-10170-8","DOIUrl":"https://doi.org/10.1007/s10950-023-10170-8","url":null,"abstract":"","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135605481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigating the efficiency of machine learning algorithms in classifying pulse-like ground motions 机器学习算法在类脉冲地面运动分类中的效率研究
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-08-24 DOI: 10.1007/s10950-023-10168-2
F. Wani, Jayaprakash Vemuri, Chenna Rajaram, K. S. K. K. Reddy
{"title":"Investigating the efficiency of machine learning algorithms in classifying pulse-like ground motions","authors":"F. Wani, Jayaprakash Vemuri, Chenna Rajaram, K. S. K. K. Reddy","doi":"10.1007/s10950-023-10168-2","DOIUrl":"https://doi.org/10.1007/s10950-023-10168-2","url":null,"abstract":"","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45237210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Qβ, Qc, Qi, Qs of the Gargano Promontory (Southern Italy) 加尔加诺海角(意大利南部)的Qβ, Qc, Qi, Qs
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-08-16 DOI: 10.1007/s10950-023-10157-5
Salvatore Lucente, Teresa Ninivaggi, S. de Lorenzo, E. Del Pezzo, Marilena Filippucci, G. Prosser, A. Tallarico
{"title":"Qβ, Qc, Qi, Qs of the Gargano Promontory (Southern Italy)","authors":"Salvatore Lucente, Teresa Ninivaggi, S. de Lorenzo, E. Del Pezzo, Marilena Filippucci, G. Prosser, A. Tallarico","doi":"10.1007/s10950-023-10157-5","DOIUrl":"https://doi.org/10.1007/s10950-023-10157-5","url":null,"abstract":"","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45966068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Near-surface azimuthal anisotropy using the Rayleigh wave inversion in the Tehran region, Iran 伊朗德黑兰地区利用瑞利波反演的近地表方位各向异性
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-08-09 DOI: 10.1007/s10950-023-10169-1
T. Shirzad, F. Yaminifard, M. Naghavi
{"title":"Near-surface azimuthal anisotropy using the Rayleigh wave inversion in the Tehran region, Iran","authors":"T. Shirzad, F. Yaminifard, M. Naghavi","doi":"10.1007/s10950-023-10169-1","DOIUrl":"https://doi.org/10.1007/s10950-023-10169-1","url":null,"abstract":"","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47724319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Segmentation of the Sumatran Fault Zone based on spatial variation of b-values 基于b值空间变化的苏门答腊断裂带分割
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-08-03 DOI: 10.1007/s10950-023-10167-3
A. S. Putra, D. Sahara, A. Nugraha, N. Puspito, P. Supendi, N. Heryandoko
{"title":"Segmentation of the Sumatran Fault Zone based on spatial variation of b-values","authors":"A. S. Putra, D. Sahara, A. Nugraha, N. Puspito, P. Supendi, N. Heryandoko","doi":"10.1007/s10950-023-10167-3","DOIUrl":"https://doi.org/10.1007/s10950-023-10167-3","url":null,"abstract":"","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":"1 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41333979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Response spectrum shapes implied by earthquakes in Turkey: comparisons with design spectra 土耳其地震隐含的反应谱形状:与设计谱的比较
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-08-02 DOI: 10.1007/s10950-023-10155-7
H. Polat Gülkan, Vesile Hatun Akansel, Erol Kalkan
{"title":"Response spectrum shapes implied by earthquakes in Turkey: comparisons with design spectra","authors":"H. Polat Gülkan,&nbsp;Vesile Hatun Akansel,&nbsp;Erol Kalkan","doi":"10.1007/s10950-023-10155-7","DOIUrl":"10.1007/s10950-023-10155-7","url":null,"abstract":"<div><p>Design spectrum shape in many recent standards and codes is defined by spectral accelerations for two periods, T<sub>s,(~0.2s)</sub> and T<sub>1,(~1 s)</sub>, modified by multiplicative factors that account for the site class and strength of the ground shaking. This article draws attention to apparent discord between spectra from actual recordings at a number of stations of the national strong motion network of Turkey with the design spectra for the same location and site characteristics as given by the national seismic hazard map. We find that, for deep basins with Site Class D or E profiles, the design spectrum seems not to recognize consistently the constant velocity and longer period demand. If this conjecture is true, it may foreshadow unsafe designs for the building stock in Turkey in similar environments. Many more earthquake recordings than are currently at hand are needed to verify the applicability of using the two-point design spectrum that is embedded in the regulation. This is not a unique problem only to the Turkey Building Earthquake Regulation (TBER 2018). The recently recorded strong ground motion records from the 06 February 2023, M 7.7 and M 7.5 Kahramanmaraş, earthquakes support the conjecture of this study and provide strong evidence for a need to revise the corner periods of the design spectrum in the Regulation.</p></div>","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":"27 4","pages":"681 - 692"},"PeriodicalIF":1.6,"publicationDate":"2023-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4069831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Correction to: Two‑dimensional variations of the coda Q in Northern Morocco and their interpretation 修正:摩洛哥北部结尾Q的二维变化及其解释
IF 1.6 4区 地球科学
Journal of Seismology Pub Date : 2023-07-29 DOI: 10.1007/s10950-023-10163-7
Abderrahim Boulanouar, Anna Dobrynina, Abdelaali Rahmouni, Abderrahim Samaouali, Mimoun Harnafi, Jamal Sebbani
{"title":"Correction to: Two‑dimensional variations of the coda Q in Northern Morocco and their interpretation","authors":"Abderrahim Boulanouar,&nbsp;Anna Dobrynina,&nbsp;Abdelaali Rahmouni,&nbsp;Abderrahim Samaouali,&nbsp;Mimoun Harnafi,&nbsp;Jamal Sebbani","doi":"10.1007/s10950-023-10163-7","DOIUrl":"10.1007/s10950-023-10163-7","url":null,"abstract":"","PeriodicalId":16994,"journal":{"name":"Journal of Seismology","volume":"27 4","pages":"821 - 825"},"PeriodicalIF":1.6,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5118808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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