{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T23:05:35Z","timestamp":1777331135993,"version":"3.51.4"},"reference-count":50,"publisher":"Copernicus GmbH","issue":"10","license":[{"start":{"date-parts":[[2012,10,23]],"date-time":"2012-10-23T00:00:00Z","timestamp":1350950400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nat. Hazards Earth Syst. Sci."],"abstract":"<jats:p>Abstract. The Bajo Segura fault zone (BSFZ) is the northern terminal splay of the Eastern Betic shear zone (EBSZ), a large left-lateral strike-slip fault system of sigmoid geometry stretching more than 450 km from Alicante to Almer\u00eda. The BSFZ extends from the onshore Bajo Segura basin further into the Mediterranean Sea and shows a moderate instrumental seismic activity characterized by small earthquakes. Nevertheless, the zone was affected by large historical earthquakes of which the largest was the 1829 Torrevieja earthquake (IEMS98 X). The onshore area of the BSFZ is marked by active transpressive structures (faults and folds), whereas the offshore area has been scarcely explored from the tectonic point of view. During the EVENT-SHELF cruise, a total of 10 high-resolution single-channel seismic sparker profiles were obtained along and across the offshore Bajo Segura basin. Analysis of these profiles resulted in (a) the identification of 6 Quaternary seismo-stratigraphic units bounded by five horizons corresponding to regional erosional surfaces related to global sea level lowstands; and (b) the mapping of the active sub-seafloor structures and their correlation with those described onshore. Moreover, the results suggest that the Bajo Segura blind thrust fault or the Torrevieja left-lateral strike-slip fault, with prolongation offshore, could be considered as the source of the 1829 Torrevieja earthquake. These data improve our understanding of present deformation along the BSFZ and provide new insights into the seismic hazard in the area.<\/jats:p>","DOI":"10.5194\/nhess-12-3151-2012","type":"journal-article","created":{"date-parts":[[2012,10,23]],"date-time":"2012-10-23T09:26:32Z","timestamp":1350984392000},"page":"3151-3168","source":"Crossref","is-referenced-by-count":23,"title":["Quaternary active tectonic structures in the offshore Bajo Segura basin (SE Iberian Peninsula \u2013 Mediterranean Sea)"],"prefix":"10.5194","volume":"12","author":[{"given":"H.","family":"Perea","sequence":"first","affiliation":[]},{"given":"E.","family":"Gr\u00e0cia","sequence":"additional","affiliation":[]},{"given":"P.","family":"Alfaro","sequence":"additional","affiliation":[]},{"given":"R.","family":"Bartolom\u00e9","sequence":"additional","affiliation":[]},{"given":"C.","family":"Lo Iacono","sequence":"additional","affiliation":[]},{"given":"X.","family":"Moreno","sequence":"additional","affiliation":[]},{"given":"E.","family":"Masana","sequence":"additional","affiliation":[]},{"name":"EVENT-SHELF Team","sequence":"additional","affiliation":[]}],"member":"3145","published-online":{"date-parts":[[2012,10,23]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","unstructured":"Albini, P. and Rodr\u00edguez de la Torre, F.: The 1828\u20131829 earthquake sequence in the provinces of Alicante and Murcia (S-E Spain): Historical sources and macroseismic intensity assessment, in: The use of historical data in natural hazard assessments, edited by: Glade, T., Albini, P., and Frances, F., 35\u201353, 2001.","DOI":"10.1007\/978-94-017-3490-5_3"},{"key":"ref2","unstructured":"Alfaro, P.: Neotect\u00f3nica en la Cuenca del Bajo Segura (Cordillera B\u00e9tica Oriental), PhD Thesis, Universidad de Alicante, Alicante, 217 pp., 1995."},{"key":"ref3","doi-asserted-by":"crossref","unstructured":"Alfaro, P., Est\u00e9vez, A., Moretti, M., and Soria, J. M.: Structures s\u00e9dimentaires de d\u00e9formation interpr\u00e9t\u00e9es comme s\u00e9ismites dans le Quaternaire du bassin du Bas Segura (Cordill\u00e8re b\u00e9tique orientale), C. R. Acad. Sci. Paris, 328, 17\u201322, 1999.","DOI":"10.1016\/S1251-8050(99)80082-2"},{"key":"ref4","doi-asserted-by":"crossref","unstructured":"Alfaro, P., Andreu, J. M., Delgado, J., Estevez, A., Soria, J., and Teixid\u00f3, T.: Quaternary deformation of the Bajo Segura blind fault (eastern Betic Cordillera, Spain) revealed by high-resolution reflection profiling, Geological Magazine, 139, 331\u2013341, 2002a.","DOI":"10.1017\/S0016756802006568"},{"key":"ref5","doi-asserted-by":"crossref","unstructured":"Alfaro, P., Delgado, J., Est\u00e9vez, A., Soria, J. M., and Y\u00e9benes, A.: Onshore and offshore compressional tectonics in the eastern Betic Cordillera (SE Spain), Marine Geology, 186, 337\u2013349, 2002b.","DOI":"10.1016\/S0025-3227(02)00336-5"},{"key":"ref6","doi-asserted-by":"crossref","unstructured":"Alfaro, P., Bartolom\u00e9, R., Borque, M.J., Est\u00e9vez, A., Garc\u00eda-Mayordomo, J., Garc\u00eda-Tortosa, F. J., Gil, A. J., Gr\u00e0cia, E., Lo Iacono, C., and Perea, H.: The Bajo Segura Fault Zone: Active blind thrusting in the Eastern Betic Cordillera (SE Spain), Journal of Iberian Geology, 38, 271\u2013284, 2012.","DOI":"10.5209\/rev_JIGE.2012.v38.n1.39217"},{"key":"ref7","unstructured":"Archivo T\u00e9cnico de Hidrocarburos: http:\/\/hidrocarburos.mityc.es\/ath\/, last access: 27 June 2012."},{"key":"ref8","doi-asserted-by":"crossref","unstructured":"Argus, D. F., Gordon, R. G., DeMets, C., and Stein, S.: Closure of the Africa-Eurasia-North America Plate Motion Circuit and Tectonics of the Gloria Fault, J. Geophys. Res., 94, 5585\u20135602, 1989.","DOI":"10.1029\/JB094iB05p05585"},{"key":"ref9","unstructured":"Bisbal, L.: Estudio de la distribuci\u00f3n de intensidades s\u00edsmicas en el \u00e1mbito valenciano. Sus incidencias en las obras p\u00fablicas. Tomo V: Estudio monogr\u00e1fico de la serie s\u00edsmica del 23-3-1748 al 8-4-1748 con epicentro en Estubeny (tradicionalmente llamado terremoto de Montesa), Universitat Polit\u00e8cnica de Val\u00e8ncia, 1984."},{"key":"ref10","doi-asserted-by":"crossref","unstructured":"Bousquet, J. C.: Quaternary strike-slip faults in southeastern Spain, Tectonophysics, 52, 277\u2013286, 1979.","DOI":"10.1016\/B978-0-444-41783-1.50044-1"},{"key":"ref11","doi-asserted-by":"crossref","unstructured":"Buforn, E., Sanz de Galdeano, C., and Udias, A.: Seismotectonics of the Ibero-Maghrebian region, Tectonophysics, 248, 247\u2013261, 1995.","DOI":"10.1016\/0040-1951(94)00276-F"},{"key":"ref12","doi-asserted-by":"crossref","unstructured":"De Larouzi\u00e8re, F. D., Bolze, J., Bordet, P., Hernandez, J., Montenat, Ch., and Ott d'Estevou, Ph.: The Betic segment of the lithospheric Trans-Albor\u00e1n shear zone during the Late Miocene, Tectonophysics, 152, 41\u201352, 1988.","DOI":"10.1016\/0040-1951(88)90028-5"},{"key":"ref13","unstructured":"Delgado, J., Giner, J. J., L\u00f3pez Casado, C., and Auernheimer, C.: An\u00e1lisis de la respuesta del suelo en intensidades. Aplicaci\u00f3n al terremoto de Torrevieja, in: Problem\u00e0tica geoambiental y desarrollo. V reuni\u00f3n nacional de geolog\u00eda ambiental y ordenaci\u00f3n del territorio II, edited by: Ortiz, R., 627\u2013636, 1993."},{"key":"ref14","doi-asserted-by":"crossref","unstructured":"DeMets, C., Gordon, R. G., Argus, D. F., and Stein, S.: Current plate motions, Geophys. J. Int., 101, 425\u2013478, 1990.","DOI":"10.1111\/j.1365-246X.1990.tb06579.x"},{"key":"ref15","unstructured":"Focault, A.: \u00c9tude g\u00e9ologique des environs des sources du Guadalquivir (provinces de Jaen et de Grenade, Espagne m\u00e9ridionale), PhD Thesis, University of Paris VI, 633 pp., 1974."},{"key":"ref16","unstructured":"Galbis, J.: Cat\u00e1logo s\u00edsmico de la zona comprendida entre los meridianos 5E y 20W de Greenwich y los paralelos 45N y 25N, Instituto Geogr\u00e1fico Catastral y de Estad\u00edstica, Madrid, 807 pp., 1932."},{"key":"ref17","unstructured":"Garc\u00eda-Mayordomo, J. and Mart\u00ednez-D\u00edaz, J.J.: Caracterizaci\u00f3n s\u00edsmica del anticlinorio del Bajo Segura (Alicante): Fallas del Bajo Segura, Torrevieja y San Miguel de Salinas, Geogaceta, 40, 19\u201322, 2006."},{"key":"ref18","doi-asserted-by":"crossref","unstructured":"Garc\u00eda-Mayordomo, J., Insua-Ar\u00e9valo, J. M., Mart\u00ednez-D\u00edaz, J. J., Jim\u00e9nez-D\u00edaz, A., Mart\u00edn-Banda, R., Mart\u00edn-Alfageme, S., Alv\u00e1rez-Gomez, J. A., Rodr\u00edguez-Peces, M., P\u00e9rez-L\u00f3pez, R., Rodr\u00edguez-Pascua, M. A., Masana, E., Perea, H., Mart\u00edn-Gonz\u00e1lez, F., Giner-Robles, J., Nemser, E. S., Cabral, J., and the QAFI Compilers Working Group: The Quaternary Active Faults DataBase of Iberia (QAFI v.2.0), Journal of Iberian Geology, 38, 285\u2013302, 2012.","DOI":"10.5209\/rev_JIGE.2012.v38.n1.39219"},{"key":"ref19","doi-asserted-by":"crossref","unstructured":"Gim\u00e9nez, J., Borque, M., Gil, A., Alfaro, P., Est\u00e9vez, A., and Suri\u00f1ach, E.: Comparison of long-term and short-term uplift rates along an active blind reverse fault zone (Bajo Segura, Se Spain), Studia Geophysica et Geodaetica, 53, 81\u201398, 2009.","DOI":"10.1007\/s11200-009-0005-y"},{"key":"ref20","unstructured":"Giner, J. J.: Sismicidad y peligrosidad s\u00edsmica en la comunidad aut\u00f3noma valenciana. An\u00e1lisis de incertidumbres, PhD Thesis, Universidad de Granada, 295 pp., 1996."},{"key":"ref21","unstructured":"Giner, J. J., Molina, S., and J\u00e1uregui, P. J.: Sismicidad en la Comunidad Valenciana (C.V.), F\u00edsica de la Tierra, 15, 163\u2013187, 2003."},{"key":"ref22","doi-asserted-by":"crossref","unstructured":"Grimison, N. and Cheng, W.: The Azores-Gibraltar plate boundary: focal mechanisms, depths of earthquakes and their tectonic implications, J. Geophys. Res., 91, 2029\u20132047, 1986.","DOI":"10.1029\/JB091iB02p02029"},{"key":"ref23","unstructured":"IGN: Cat\u00e1logo de terremotos en el \u00e1rea de la Pen\u00ednsula Iberica e Islas Canarias (http:\/\/www.01.ign.es\/ign\/layoutIn\/sismoFormularioCatalogo.do), last access October 2011."},{"key":"ref24","doi-asserted-by":"crossref","unstructured":"Koulali, A., Ouazar, D., Tahayt, A., King, R. W., Vernant, P., Reilinger, R. E., McClusky, S., Mourabit, T., Davila, J. M., and Amraoui, N.: New GPS constraints on active deformation along the Africa\u2013Iberia plate boundary, Earth Planet. Sci. Lett., 308, 211\u2013217, 2011.","DOI":"10.1016\/j.epsl.2011.05.048"},{"key":"ref25","unstructured":"Lanaja, J. M., Querol, R., and Navarro, A.: Contribuci\u00f3n de la exploraci\u00f3n petrol\u00edfera al conocimiento de la Geolog\u00eda de Espa\u00f1a. IGME, Madrid. 465 pp., 1987."},{"key":"ref26","unstructured":"Larramendi, J. A.: Memoria y relaci\u00f3n circunstanciada de los estragos que la terrible cat\u00e1strofe de los terremotos de 21 de Marzo y siguientes, principalmente el S\u00e1bado Santo 18 de Abril hasta el presente d\u00eda, han causado en Torrevieja y dem\u00e1s pueblos de la Gobernaci\u00f3n de Orihuela y sus inmediaciones, en la ciudad de Murcia y algunos pueblos de este nombre, Imprenta Real, Madrid, 24 pp., 1829."},{"key":"ref27","doi-asserted-by":"crossref","unstructured":"Lo Iacono, C., Sulli, A., Agate, M., Lo Presti, V., Pepe, F., and Catalano, R.: Submarine canyon morphologies in the Gulf of Palermo (Southern Tyrrhenian Sea) and possible implications for geo-hazard, Marine Geophys. Res., 32, 127\u2013138, 2011.","DOI":"10.1007\/s11001-011-9118-0"},{"key":"ref28","unstructured":"L\u00f3pez Casado, C., Est\u00e9vez, A., Pina, J., and Sanz de Galdeano, C.: Alineaciones sismotect\u00f3nicas en el sudeste de Espa\u00f1a, Ensayo de delimitaci\u00f3n de fuentes s\u00edsmicas, Serie de Estudios Geol\u00f3gicos, 6, 5\u201339, 1987."},{"key":"ref29","unstructured":"L\u00f3pez Casado, C., Peinado, M. A., Delgado, J., Pel\u00e1ez, J. A., and Fuentes, C.: La serie s\u00edsmica de Torrevieja de 1828 y 1829, I Congreso Iberoamericano sobre t\u00e9cnicas aplicadas a la gesti\u00f3n de emergencias para la reducci\u00f3n de desastres naturales, Valencia, 1992."},{"key":"ref30","unstructured":"L\u00f3pez Marinas, J. M.: Sismo del 21 de Marzo de 1829, Madrid, 1976."},{"key":"ref31","unstructured":"Mart\u00ednez Solares, J. M. and Mezcua, J.: Cat\u00e1logo s\u00edsmico de la Pen\u00ednsula Ib\u00e9rica (880 a.C. \u2013 1900), Instituto Geogr\u00e1fico Nacional \u2013 Monografia no. 18, 444 pp., 2002."},{"key":"ref32","unstructured":"Mezcua, J.: Cat\u00e1logo general de isosistas de la Pen\u00ednsula Ib\u00e9rica, IGN, Madrid, 320 pp., 1982."},{"key":"ref33","unstructured":"Montenat, C.: Les bassins n\u00e9og\u00e8nes et quaternaires du levant d'Alicante \u00e0 Murcie (Cordill\u00e8res B\u00e8tiques Orientales, Espagne), Stratigraphie, pal\u00e9ontologie et \u00e9volution dynamique, PhD Thesis, Laboratoire G\u00e9ologique, University of Lyon, 345 pp., 1977."},{"key":"ref34","unstructured":"Montenat, C., Ott D'Estevou, P., and Coppier, G.: Les bassins n\u00e9og\u00e8nes entre Alicante et Cartagena, in: Les bassins n\u00e9og\u00e8nes du domaine B\u00e9tique orientale (Espagne), Doc. Trav. IGAL, 313\u2013368, 1990."},{"key":"ref35","doi-asserted-by":"crossref","unstructured":"Morel, J. L. and Meghraoui, M.: Goringe-Alboran-Tell tectonic zone: A transpression system along the Africa-Eurasia plate boundary, Geology, 24, 755\u2013758, 1996.","DOI":"10.1130\/0091-7613(1996)024<0755:GATTZA>2.3.CO;2"},{"key":"ref36","unstructured":"Mu\u00f1oz, D. and Ud\u00edas, A.: Three large historical earthquakes in southern Spain, in: Seismicity, seismotectonics and seismic risk of the Ibero Maghrebian region, IGN, 175\u2013182, 1991."},{"key":"ref37","unstructured":"Mu\u00f1oz, D., Udias, A., and Moreno, E.: Reevaluaci\u00f3n de los datos del terremoto del 1829 (Torrevieja), in: Sismicidad hist\u00f3rica de la Pen\u00ednsula Ib\u00e9rica, Asociaci\u00f3n Espa\u00f1ola de Ingenier\u00eda S\u00edsmica, Madrid, 38\u201341, 1984."},{"key":"ref38","unstructured":"Perea, H., Gr\u00e0cia, E., Bartolom\u00e9, R., Lo Iacono, C., and Masana, E.: Structure and potential seismogenic sources of the offshore Bajo Segura Fault Zone, SE iberian Peninsula (Mediterranean sea). Looking for the source of the 1829 Torrevieja earthquake, in: Contribuci\u00f3n de la geolog\u00eda al an\u00e1lisis de la peligrosidad s\u00edsmica, edited by: Insua, J. M. and Mart\u00edn-Gonz\u00e1lez, F., 113\u2013116, 2010."},{"key":"ref39","doi-asserted-by":"crossref","unstructured":"Rabineau, M., Bern\u00e9, S., Olivet, J.-L., Aslanian, D., Guillocheau, F., and Joseph, P.: Paleo sea levels reconsidered from direct observation of paleoshoreline position during Glacial Maxima (for the last 500,000 yr), Earth Planet. Sci. Lett., 252, 119\u2013137, 2006.","DOI":"10.1016\/j.epsl.2006.09.033"},{"key":"ref40","doi-asserted-by":"crossref","unstructured":"Ridente, D., Fracassi, U., Di Bucci, D., Trincardi, F., and Valensise, G.: Middle Pleistocene to Holocene activity of the Gondola Fault Zone (Southern Adriatic Foreland): Deformation of a regional shear zone and seismotectonic implications, Tectonophysics, 453, 110\u2013121, 2008.","DOI":"10.1016\/j.tecto.2007.05.009"},{"key":"ref41","unstructured":"Rodr\u00edguez de la Torre, F.: Los terremotos alicantinos de 1829, Publicaciones del instituto de estudios alicantinos, Alicante, 1984."},{"key":"ref42","unstructured":"Sanz de Galdeano, C., El Hamdouni, R., Chac\u00f3n, J., G\u00f3mez, A., Salvador, F., Schulte, L., and Garc\u00eda, A.: Neotect\u00f3nica de la fosa del Pad\u00fal y del Valle de Lecr\u00edn, in: Itinerario geomorfol\u00f3gico por Andaluc\u00eda Oriental, Publicaciones de la Universidad de Barcelona, 65\u201381, 1998."},{"key":"ref43","doi-asserted-by":"crossref","unstructured":"Sanz de Galdeano, C., L\u00f3pez, C., Delgado, J., and Peinado, M. A.: Shallow seismicity and active faults in the Betic Cordillera. A preliminary approach to seismic sources associated with specific faults, Tectonophysics, 248, 293\u2013302, 1995.","DOI":"10.1016\/0040-1951(94)00279-I"},{"key":"ref44","doi-asserted-by":"crossref","unstructured":"Serpelloni, E., Vannucci, G., Pondrelli, S., Argnani, A., Casula, G., Anzidei, M., Baldi, P., and Gasperini, P.: Kinematics of the Western Africa-Eurasia plate boundary from focal mechanisms and GPS data, Geophys. J. Int., 169, 1180\u20131200, 2007.","DOI":"10.1111\/j.1365-246X.2007.03367.x"},{"key":"ref45","doi-asserted-by":"crossref","unstructured":"Silva, P. G., Goy, J. L., Somoza, L., Zazo, C., and Bardaj\u00ed, T.: Landscape response to strike-slip faulting linked to collisional settings: Quaternary tectonics and basin formation in the Eastern Betics, southeastern Spain, Tectonophysics, 224, 289\u2013303, 1993.","DOI":"10.1016\/0040-1951(93)90034-H"},{"key":"ref46","unstructured":"Somoza, L.: Estudio del Cuaternario litoral entre el Cabo de Palos y Guardamar (Murcia-Alicante). Las variaciones del nivel del mar en relaci\u00f3n con el contexto geodin\u00e1mico, Instituto Espa\u00f1ol de Oceanograf\u00eda, 237 pp., 1993."},{"key":"ref47","unstructured":"Soria, J. M., Alfaro, P., Est\u00e9vez, A., Delgado, J., and Dur\u00e1n, J. J.: The Holocene sedimentation rate in the Lower Segura Basin (eastern Betic Cordillera): eustatic implications, Bull. Soc. G\u00e9ol. France, 170, 349\u2013354, 1999."},{"key":"ref48","doi-asserted-by":"crossref","unstructured":"Taboada, A., Bousquet, J. C., and Philip, H.: Coseismic elastic models of folds above blind thrusts in the Betic Cordilleras (Spain) and evaluation of seismic hazard, Tectonophysics, 220, 223\u2013241, 1993.","DOI":"10.1016\/0040-1951(93)90233-A"},{"key":"ref49","doi-asserted-by":"crossref","unstructured":"Vernant, P., Fadil, A., Mourabit, T., Ouazar, D., Koulali, A., Davila, J. M., Garate, J., McClusky, S., and Reilinger, R.: Geodetic constraints on active tectonics of the Western Mediterranean: Implications for the kinematics and dynamics of the Nubia-Eurasia plate boundary zone, J. Geodynamics, 49, 123\u2013129, 2010.","DOI":"10.1016\/j.jog.2009.10.007"},{"key":"ref50","doi-asserted-by":"crossref","unstructured":"Wells, D. L. and Coppersmith, K. J.: New empirical relationships among magnitude, rupture length, rupture width, rupture area, and surface displacement, Bull. Seismol. Soc. America, 84, 974\u20131002, 1994.","DOI":"10.1785\/BSSA0840040974"}],"container-title":["Natural Hazards and Earth System Sciences"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/nhess.copernicus.org\/articles\/12\/3151\/2012\/nhess-12-3151-2012.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,4,30]],"date-time":"2024-04-30T16:55:08Z","timestamp":1714496108000},"score":1,"resource":{"primary":{"URL":"https:\/\/nhess.copernicus.org\/articles\/12\/3151\/2012\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,10,23]]},"references-count":50,"journal-issue":{"issue":"10","published-online":{"date-parts":[[2012]]}},"URL":"https:\/\/doi.org\/10.5194\/nhess-12-3151-2012","relation":{},"ISSN":["1684-9981"],"issn-type":[{"value":"1684-9981","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,10,23]]}}}