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Archaeoseismic record at the ancient Roman City of Baelo Claudia (Cádiz, south Spain)

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dc.contributor.authorSilva Barroso, Pablo Gabriel
dc.contributor.authorBorja, Francisco
dc.contributor.authorZazo Cardeña, Caridad
dc.contributor.authorGoy Goy, José Luis
dc.contributor.authorBardají Azcárate, Teresa
dc.contributor.authorLuque, Luis de
dc.contributor.authorLario, Javier
dc.contributor.authorDabrio, Cristino J.
dc.date.accessioned2023-06-20T09:24:13Z
dc.date.available2023-06-20T09:24:13Z
dc.date.issued2005
dc.description.abstractThis study represents the first paleoseismic approach in Spain in which archaeological remains are considered. The ancient Roman city of Baelo Claudia (1st–4th centuries AD), located at the axial zone of the Gibraltar Strait (Cadiz, south Spain), contains abundant disrupted architectural relics and ground collapses (i.e. landsliding, liquefacion) probably related to historic earthquake damage of intensity IX–X MSK. The archaeological stratigraphy of the city evidence two major episodes of abrupt city destruction bracketed in AD 40–60 and AD 350–395 separated by an intervening horizon of demolition for city rebuilding, otherwise characteristic for many earthquake-damaged archaeological sites in the Mediterranean. The second episode led the eventual city abandonment, and it is evidenced by good examples of column collapse, distortion, failure and breakdown of house and city walls, and pavement warping and disruptions documented during different archaeological excavations, which can be catalogued as secondary coseismic effects. Main damaged relicts observable today are the set of pop-up like arrays and warping developed in the ancient Roman pavement. Their analysis indicate an anomalous westwards ground displacement oblique to the main gentle southward slope of the topography, as also evidence failures, collapses and breakdown of walls and columns, suggesting that stress acted in a broad SW–NE/WSW–ENE orientation consistent whit the expectable motion along the largest NE–SW strike-slip faults of the zone, which in turn can be catalogued as seismic sources of moderate events (ca. 5 mb). Major disruptions and city abandonment were hesitantly related to relatively far strong earthquakes occurred during the late 4th century AD in the Mediterranean or western coast of Iberia by Menanteau et al. [Menanteau, L., Vanney, J.R., Zazo, C., 1983. Belo II : Belo et son environment (Detroit de Gibraltar), Etude physique d’un site antique. Pub. Casa de Velazquez, Serie Archeologie 4., Ed. Broccard, París.]. However, this study indicates that the occurrence of close moderate earthquakes jointly with the unstable character of the ground at the zone (site effect) is a more reliable hypothesis to explain the observed deformations.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/10684
dc.identifier.doi10.1016/j.tecto.2005.05.031
dc.identifier.issn0040-1951
dc.identifier.officialurlhttp://www.elsevier.com/wps/find/journaldescription.cws_home/503362/description#description
dc.identifier.urihttps://hdl.handle.net/20.500.14352/49360
dc.journal.titleTectonophysics
dc.language.isoeng
dc.page.final146
dc.page.initial129
dc.publisherElsevier Science B.V.
dc.rights.accessRightsopen access
dc.subject.cdu550.34
dc.subject.keywordArcheoseismology
dc.subject.keywordPaleoseismicity
dc.subject.keywordUnstable ground
dc.subject.keywordBetic Cordilleras
dc.subject.keywordSpain
dc.subject.ucmSismología (Geología)
dc.subject.unesco2507.05 Sismología y Prospección Sísmica
dc.titleArchaeoseismic record at the ancient Roman City of Baelo Claudia (Cádiz, south Spain)
dc.typejournal article
dc.volume.number408
dspace.entity.typePublication
relation.isAuthorOfPublication1556fc8c-dd30-40b0-a180-d00679f99678
relation.isAuthorOfPublication.latestForDiscovery1556fc8c-dd30-40b0-a180-d00679f99678
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