Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.

Three-dimensional paleoseismology in strike-slip faults with slip rates less than 1 mm per year involves a great methodological challenge. We adapted 3D trenching to track buried channels offset by the Alhama de Murcia seismogenic left-lateral strike-slip fault (SE Iberia). A fault net slip of 0.9 +...

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Autores: Ferrater Gómez, Marta, Ortuño Candela, Maria, Masana, Eulàlia, Pallàs i Serra, Raimon, Perea Manera, Héctor, Baize, Stéphane, García Meléndez, Eduardo, Martínez-Díaz, José J., Echeverria, Anna, Rockwell, Thomas K., Sharp, Warren D., Medialdea, Alicia, Rhodes, Edward J.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2016
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/127761
Acceso en línea:https://hdl.handle.net/2445/127761
Access Level:acceso abierto
Palabra clave:Paleosismologia
Visualització tridimensional
Fuente Álamo (Múrcia)
Paleoseismology
Three-dimensional display systems
Fuente-Álamo de Murcia (Murcia)
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spelling Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.Ferrater Gómez, MartaOrtuño Candela, MariaMasana, EulàliaPallàs i Serra, RaimonPerea Manera, HéctorBaize, StéphaneGarcía Meléndez, EduardoMartínez-Díaz, José J.Echeverria, AnnaRockwell, Thomas K.Sharp, Warren D.Medialdea, AliciaRhodes, Edward J.PaleosismologiaVisualització tridimensionalFuente Álamo (Múrcia)PaleoseismologyThree-dimensional display systemsFuente-Álamo de Murcia (Murcia)Three-dimensional paleoseismology in strike-slip faults with slip rates less than 1 mm per year involves a great methodological challenge. We adapted 3D trenching to track buried channels offset by the Alhama de Murcia seismogenic left-lateral strike-slip fault (SE Iberia). A fault net slip of 0.9 +/- 0.1 mm/yr was determined using statistical analysis of piercing lines for one buried channel, whose age is constrained between 15.2 +/- 1.1 ka and 21.9-22.3 cal BP. This value is larger and more accurate than the previously published slip rates for this fault: The minimum number of five paleo-earthquakes identified since the deposition of dated layers suggests a maximum average recurrence interval of approximately 5 ka. The combination of both seismic parameters yields a maximum slip per event between 53 and 63 m. We show that accurately planned trenching strategies and data processing may be key to obtaining robust paleoseismic parameters in low seismicity areas. (C) 2016 Elsevier B.V. All rights reserved.Elsevier B.V.2016info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://hdl.handle.net/2445/127761Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésVersió postprint del document publicat a: https://doi.org/10.1016/j.tecto.2016.05.020Tectonophysics, 2016, vol. 680, p. 122-128https://doi.org/10.1016/j.tecto.2016.05.020cc-by-nc-nd (c) Elsevier B.V., 2016http://creativecommons.org/licenses/by-nc-nd/3.0/esinfo:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1277612026-05-27T06:46:51Z
dc.title.none.fl_str_mv Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
title Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
spellingShingle Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
Ferrater Gómez, Marta
Paleosismologia
Visualització tridimensional
Fuente Álamo (Múrcia)
Paleoseismology
Three-dimensional display systems
Fuente-Álamo de Murcia (Murcia)
title_short Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
title_full Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
title_fullStr Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
title_full_unstemmed Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
title_sort Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
dc.creator.none.fl_str_mv Ferrater Gómez, Marta
Ortuño Candela, Maria
Masana, Eulàlia
Pallàs i Serra, Raimon
Perea Manera, Héctor
Baize, Stéphane
García Meléndez, Eduardo
Martínez-Díaz, José J.
Echeverria, Anna
Rockwell, Thomas K.
Sharp, Warren D.
Medialdea, Alicia
Rhodes, Edward J.
author Ferrater Gómez, Marta
author_facet Ferrater Gómez, Marta
Ortuño Candela, Maria
Masana, Eulàlia
Pallàs i Serra, Raimon
Perea Manera, Héctor
Baize, Stéphane
García Meléndez, Eduardo
Martínez-Díaz, José J.
Echeverria, Anna
Rockwell, Thomas K.
Sharp, Warren D.
Medialdea, Alicia
Rhodes, Edward J.
author_role author
author2 Ortuño Candela, Maria
Masana, Eulàlia
Pallàs i Serra, Raimon
Perea Manera, Héctor
Baize, Stéphane
García Meléndez, Eduardo
Martínez-Díaz, José J.
Echeverria, Anna
Rockwell, Thomas K.
Sharp, Warren D.
Medialdea, Alicia
Rhodes, Edward J.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Paleosismologia
Visualització tridimensional
Fuente Álamo (Múrcia)
Paleoseismology
Three-dimensional display systems
Fuente-Álamo de Murcia (Murcia)
topic Paleosismologia
Visualització tridimensional
Fuente Álamo (Múrcia)
Paleoseismology
Three-dimensional display systems
Fuente-Álamo de Murcia (Murcia)
description Three-dimensional paleoseismology in strike-slip faults with slip rates less than 1 mm per year involves a great methodological challenge. We adapted 3D trenching to track buried channels offset by the Alhama de Murcia seismogenic left-lateral strike-slip fault (SE Iberia). A fault net slip of 0.9 +/- 0.1 mm/yr was determined using statistical analysis of piercing lines for one buried channel, whose age is constrained between 15.2 +/- 1.1 ka and 21.9-22.3 cal BP. This value is larger and more accurate than the previously published slip rates for this fault: The minimum number of five paleo-earthquakes identified since the deposition of dated layers suggests a maximum average recurrence interval of approximately 5 ka. The combination of both seismic parameters yields a maximum slip per event between 53 and 63 m. We show that accurately planned trenching strategies and data processing may be key to obtaining robust paleoseismic parameters in low seismicity areas. (C) 2016 Elsevier B.V. All rights reserved.
publishDate 2016
dc.date.none.fl_str_mv 2016
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/127761
url https://hdl.handle.net/2445/127761
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: https://doi.org/10.1016/j.tecto.2016.05.020
Tectonophysics, 2016, vol. 680, p. 122-128
https://doi.org/10.1016/j.tecto.2016.05.020
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Elsevier B.V., 2016
http://creativecommons.org/licenses/by-nc-nd/3.0/es
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Elsevier B.V., 2016
http://creativecommons.org/licenses/by-nc-nd/3.0/es
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier B.V.
publisher.none.fl_str_mv Elsevier B.V.
dc.source.none.fl_str_mv Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.198674

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