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dc.contributor.authorFernández Torres, José-
dc.contributor.authorRundle, J. B.-
dc.date.accessioned2014-10-09T09:51:57Z-
dc.date.available2014-10-09T09:51:57Z-
dc.date.issued1994-02-10-
dc.identifier.citationJournal of Geophysical Research, 99, B2: 2737-2746 (1994)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/103092-
dc.description.abstractWe develop and extend theoretical and computational methods for the calculation of the deformation, gravity and potential change due to a point source of magma injection into a multilayered, elastic-gravitational earth model. In our calculations, which are based upon the method outlined by Rundle, two distinct layers overlying a half-space may be incorporated. The source can be located in either of the layers or the half-space. The method is quite general, and can be readily adapted to calculations in which stresses in either the layers or the half-space relax by viscoelastic flow. The results obtained indicate that the use of homogeneous half-space to represent the Earth may in some cases be too simple a model and that variations in elastic moduli have a more significant effect than variation in reference density on both the surface displacements and gravity changes. As an example, we calculate the displacement and gravity changes due to a subsurface mass injection in a crust-mantle model appropriate to the volcanic island of Lanzarote, which is presently the subject of numerous geophysical experiments. Both historical and recent data indicate that Lanzarote may be subject to some risk of volcanic eruption in the future, thus our calculations may be useful in interpreting observations of preemption phenomena. The results are discussed in terms of prediction versus measurement capabilities.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.subjectGeophysicses_ES
dc.subjectCrustal deformationes_ES
dc.subjectGravityes_ES
dc.subjectMagmatic intrusiones_ES
dc.titleGravity changes and deformation due to a magmatic intrusion in a two-layered crustal modeles_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1029/93JB02449-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1029/93JB02449es_ES
dc.relation.csices_ES
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