Long Term Ground Deformation in Volcanic Islands: Tenerife and La Palma, Canaries

Fernández, Jose; González, Pablo J.; Pallero, Jose L. G.; Arjona, Alicia; Prieto Morin, Juan Francisco; Seco, A.; Rodríguez, Gema; Camacho, Antonio G. y Aparicio, A. (2008). Long Term Ground Deformation in Volcanic Islands: Tenerife and La Palma, Canaries. En: "ETS2008 New challenges in Earth's Dynamics", 1-5 sept 2008, Jena, Deuchland. pp. 1-27.

Descripción

Título: Long Term Ground Deformation in Volcanic Islands: Tenerife and La Palma, Canaries
Autor/es:
  • Fernández, Jose
  • González, Pablo J.
  • Pallero, Jose L. G.
  • Arjona, Alicia
  • Prieto Morin, Juan Francisco
  • Seco, A.
  • Rodríguez, Gema
  • Camacho, Antonio G.
  • Aparicio, A.
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: ETS2008 New challenges in Earth's Dynamics
Fechas del Evento: 1-5 sept 2008
Lugar del Evento: Jena, Deuchland
Título del Libro: Proceedings of the 16th International Symposium on Earth Tides
Fecha: 1 Septiembre 2008
Materias:
Escuela: E.T.S.I. en Topografía, Geodesia y Cartografía (UPM)
Departamento: Ingeniería Topográfica y Cartografía [hasta 2014]
Grupo Investigación UPM: Geovisualización, Espacios Singulares y Patrimonio GESyP
Licencias Creative Commons: Ninguna

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Resumen

Canary Islands form a volcanic archipelago with 7 major islands with a long-standing history of volcanic activity that began more than 40 million years ago More than a dozen eruptions have occurred on the islands of Tenerife, Lanzarote, and La Palma since the 16 th century. We used several geodetic techniques in order to achieve ground deformation on those islands. We propose that the measured deformation is directly related to gravitational sinking of the intrusive core the island into a weak lithosphere. We favour this thesis, relative to that of spreading, because neither the published data on the geology of Tenerife show evidence of compressional structures around the base of the island nor the GPS data indicate significant radial displacements, which would have been present in the case of spreading. In adition, given that the crust has been inflected under the mass of Tenerife, following Borgia (1994), we propose that the volcanic edifice is in a state of compression, which, in some volcanoes, has in the past been associated with hazardous explosive eruptions.

Más información

ID de Registro: 43807
Identificador DC: http://oa.upm.es/43807/
Identificador OAI: oai:oa.upm.es:43807
Depositado por: Prof Juan Prieto Morin
Depositado el: 31 Oct 2016 11:17
Ultima Modificación: 31 Oct 2016 11:18
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