Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica)

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In this communication, the genesis of great anomalous seismic activity registered during austral summer 2003/2004 on Deception Island (Antarctica) is discussed, and related with changes on the chemical composition of fumarolic gases and vent deposits. Here we present a comparative analysis performed...

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Autores principales: Caselli, A.T., Badi, G., Bonatto, A.L., Bengoa, C.L., Agusto, M.R., Bidone, A., Ibáñez, J.
Formato: JOUR
Materias:
Antarctica
Deception Island
Fumarolic gases
Seismology
chemical composition
fumarole
hydrothermal vent
seismicity
seismology
volcanology
South Shetland Islands
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00044822_v62_n4_p545_Caselli
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00044822_v62_n4_p545_Caselli
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spelling todo:paper_00044822_v62_n4_p545_Caselli2023-10-03T13:58:19Z Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica) Caselli, A.T. Badi, G. Bonatto, A.L. Bengoa, C.L. Agusto, M.R. Bidone, A. Ibáñez, J. Antarctica Deception Island Fumarolic gases Seismology chemical composition fumarole hydrothermal vent seismicity seismology volcanology Antarctica Deception Island South Shetland Islands In this communication, the genesis of great anomalous seismic activity registered during austral summer 2003/2004 on Deception Island (Antarctica) is discussed, and related with changes on the chemical composition of fumarolic gases and vent deposits. Here we present a comparative analysis performed to explain this activity. We propose a possible parcial seal of the microfracture system. This effect allows an increase on pressure follow by reopening of microfractures, resulting on a sequence of seismic events and changes on the chemical composition of fumarolic emissions. Fil:Caselli, A.T. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Bengoa, C.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Agusto, M.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00044822_v62_n4_p545_Caselli
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Antarctica
Deception Island
Fumarolic gases
Seismology
chemical composition
fumarole
hydrothermal vent
seismicity
seismology
volcanology
Antarctica
Deception Island
South Shetland Islands
spellingShingle Antarctica
Deception Island
Fumarolic gases
Seismology
chemical composition
fumarole
hydrothermal vent
seismicity
seismology
volcanology
Antarctica
Deception Island
South Shetland Islands
Caselli, A.T.
Badi, G.
Bonatto, A.L.
Bengoa, C.L.
Agusto, M.R.
Bidone, A.
Ibáñez, J.
Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica)
topic_facet Antarctica
Deception Island
Fumarolic gases
Seismology
chemical composition
fumarole
hydrothermal vent
seismicity
seismology
volcanology
Antarctica
Deception Island
South Shetland Islands
description In this communication, the genesis of great anomalous seismic activity registered during austral summer 2003/2004 on Deception Island (Antarctica) is discussed, and related with changes on the chemical composition of fumarolic gases and vent deposits. Here we present a comparative analysis performed to explain this activity. We propose a possible parcial seal of the microfracture system. This effect allows an increase on pressure follow by reopening of microfractures, resulting on a sequence of seismic events and changes on the chemical composition of fumarolic emissions.
format JOUR
author Caselli, A.T.
Badi, G.
Bonatto, A.L.
Bengoa, C.L.
Agusto, M.R.
Bidone, A.
Ibáñez, J.
author_facet Caselli, A.T.
Badi, G.
Bonatto, A.L.
Bengoa, C.L.
Agusto, M.R.
Bidone, A.
Ibáñez, J.
author_sort Caselli, A.T.
title Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica)
title_short Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica)
title_full Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica)
title_fullStr Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica)
title_full_unstemmed Seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of Deception Island (Antarctica)
title_sort seismic activity and an anomalous fumarolic chemical composition due to seal effect in the volcanic system of deception island (antarctica)
url http://hdl.handle.net/20.500.12110/paper_00044822_v62_n4_p545_Caselli
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