Academic Journal
Characterization of the shallow subsurface structure across the Carrascoy Fault System (SE Iberian Peninsula) using P-wave tomography and Multichannel Analysis of Surface Waves
| العنوان: | Characterization of the shallow subsurface structure across the Carrascoy Fault System (SE Iberian Peninsula) using P-wave tomography and Multichannel Analysis of Surface Waves |
|---|---|
| المؤلفون: | Handoyo, Handoyo, DeFelipe, Irene, Martín-Banda, R., García-Mayordomo, J., Martí, David, Martínez-Díaz, J. J., Insúa Arévalo, Juan Miguel, Teixidó, T., Alcalde, Juan, Palomeras, Imma, Carbonell, Ramón |
| المساهمون: | Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Agencia Estatal de Investigación (España), Junta de Castilla y León, Universidad de Salamanca, European Commission, Universidade Nova de Lisboa, Generalitat de Catalunya |
| بيانات النشر: | Universidad Autónoma de Barcelona Universidad de Barcelona |
| سنة النشر: | 2022 |
| المجموعة: | Digital.CSIC (Consejo Superior de Investigaciones Científicas / Spanish National Research Council) |
| مصطلحات موضوعية: | Algezares-Casas Nuevas Fault, Carrascoy Fault, Frontal Strands Fault, MASW, P-Wave Tomography |
| الوصف: | The seismicity in the SE Iberian Peninsula is distributed parallel to the coast in a well-developed strike-slip fracture system known as the Eastern Betic Shear Zone (EBSZ). This work focuses on the characterization of the shallow subsurface structure of the Algezares-Casas Nuevas Fault, within the Carrascoy Fault System of the EBSZ. The Carrascoy Fault borders the Guadalentín Depression to the south, which is a densely populated area with extensive agricultural activity. Therefore, this faults system represents a seismic hazard with significant social and economic implications. We have constructed two velocity-depth models based on P-wave tomography and Multichannel Analysis of Surface Waves (MASW) acquired from seismic reflection data. The resulting velocity models have allowed us to interpret the first ~250m depth and have revealed: i) the thickness of the critical zone; ii) the geometry of the Algezares-Casas Nuevas Fault; iii) the depth of the Messinian/Tortonian contact and iv) the presence of blind thrusts and damage zones under the Guadalentín Depression. Our results have also helped us to estimate an apparent vertical slip rate of 0.66±0.06m/ky for the Algezares-Casas Nuevas Fault since 209.1±6.2ka. Our results provide a methodological and backflow protocol to study the shallow subsurface of active faults, complementing previous geological models based on paleoseismological trenches, and can be used to improve the seismic hazard assessment of tectonically active regions around the world. ; The authors would like to acknowledge the project INTERGEO (CGL2013-47412-C2-1-P) GEO3BCNCSIC for the data access. Data are public access through SeisDARE (DeFelipe et al., 2021), dataset Martí et al. (2015). The Ministry of Education and Culture of the Republic of Indonesia is thanked for the main author’s Ph.D. scholarship (D3.2/KD.02.01/2019). JA is funded by MICINN (IJC2018-026335-I). I.P. is funded by the Spanish Government and the Universidad de Salamanca (Beatriz Galindo grant BEGAL 18/00090). IDF is funded by ... |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | unknown |
| تدمد: | 1695-6133 |
| Relation: | #PLACEHOLDER_PARENT_METADATA_VALUE#; info:eu-repo/grantAgreement/MINECO//CGL2013-47412-C2-1-P/ES/ANALISIS DEL POTENCIAL SISMICO DE LAS ZONAS INTERSEGMENTO DE FALLAS DE DESGARRE MEDIANTE ANALISIS Y MONITOREO GEOLOGICO, GEODESICO Y GEOFISICO/; info:eu-repo/grantAgreement/AEI/IJC2018-026335-I; info:eu-repo/grantAgreement/EC/H2020/871121; Publisher's version; http://dx.doi.org/10.1344/GeologicaActayear.volume.manuscript; Sí; e-issn: 1696-5728; Geologica Acta 20: 1-19 (2022); http://hdl.handle.net/10261/305965 |
| DOI: | 10.1344/GeologicaActayear.volume.manuscript |
| الاتاحة: | http://hdl.handle.net/10261/305965 https://doi.org/10.1344/GeologicaActayear.volume.manuscript |
| Rights: | open |
| رقم الانضمام: | edsbas.4BD356C4 |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 16956133 |
|---|---|
| DOI: | 10.1344/GeologicaActayear.volume.manuscript |