Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes

GPS data from stations around the Chaitén Volcano show a co-eruptive pattern of inflation and deflation that correlates well with the estimated effusion rate during the 2008-2009 eruption. Axisymmetric radial deflation is coeval with periods of fast dome growth and inflation is coeval with periods o...

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Autores principales:	Piña-Gauthier,Mirella, Lara,Luis E, Bataille,Klaus, Tassara,Andrés, Báez,Juan C
Lenguaje:	English
Publicado:	Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2013
Materias:	Co-eruptive deformation GPS Deflation and inflation Dome growth Chaitén Volcano
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062013000200008
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spelling	oai:scielo:S0718-710620130002000082013-07-31Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern AndesPiña-Gauthier,MirellaLara,Luis EBataille,KlausTassara,AndrésBáez,Juan C Co-eruptive deformation GPS Deflation and inflation Dome growth Chaitén Volcano GPS data from stations around the Chaitén Volcano show a co-eruptive pattern of inflation and deflation that correlates well with the estimated effusion rate during the 2008-2009 eruption. Axisymmetric radial deflation is coeval with periods of fast dome growth and inflation is coeval with periods of mostly endogenous dome growth at lower rates. Non-volcanic basement appears to be involved in the ground deformation as was inferred previously from InSAR observations. Data are insufficient to conduct full source modeling, but simple models are compatible with those that are based on petrological and geophysical observations. These results suggest a strong coupling between the eruption dynamics and response of the surrounding basement, which was probably conditioned by its structural fabric and crustal tectonics.info:eu-repo/semantics/openAccessServicio Nacional de Geología y Minería (SERNAGEOMIN)Andean geology v.40 n.2 20132013-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062013000200008en10.5027/andgeoV40n2-a08
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Co-eruptive deformation GPS Deflation and inflation Dome growth Chaitén Volcano
spellingShingle	Co-eruptive deformation GPS Deflation and inflation Dome growth Chaitén Volcano Piña-Gauthier,Mirella Lara,Luis E Bataille,Klaus Tassara,Andrés Báez,Juan C Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes
description	GPS data from stations around the Chaitén Volcano show a co-eruptive pattern of inflation and deflation that correlates well with the estimated effusion rate during the 2008-2009 eruption. Axisymmetric radial deflation is coeval with periods of fast dome growth and inflation is coeval with periods of mostly endogenous dome growth at lower rates. Non-volcanic basement appears to be involved in the ground deformation as was inferred previously from InSAR observations. Data are insufficient to conduct full source modeling, but simple models are compatible with those that are based on petrological and geophysical observations. These results suggest a strong coupling between the eruption dynamics and response of the surrounding basement, which was probably conditioned by its structural fabric and crustal tectonics.
author	Piña-Gauthier,Mirella Lara,Luis E Bataille,Klaus Tassara,Andrés Báez,Juan C
author_facet	Piña-Gauthier,Mirella Lara,Luis E Bataille,Klaus Tassara,Andrés Báez,Juan C
author_sort	Piña-Gauthier,Mirella
title	Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes
title_short	Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes
title_full	Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes
title_fullStr	Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes
title_full_unstemmed	Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes
title_sort	co-eruptive deformation and dome growth during the 2008-2009 chaitén eruption, southern andes
publisher	Servicio Nacional de Geología y Minería (SERNAGEOMIN)
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062013000200008
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_version_	1714205840539385856

Co-eruptive deformation and dome growth during the 2008-2009 Chaitén eruption, Southern Andes

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