Seismic activity and rifting in the Krafla fault swarm in NE-Iceland

Detalhes bibliográficos
Autor(a) principal: Brandsdóttir, Bryndís
Data de Publicação: 1982
Outros Autores: Einarsson, Páll
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.3/4919
Resumo: International Symposium on the Activity of Oceanic Volcanoes. Ponta Delgada, 4-9 August 1980.
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spelling Seismic activity and rifting in the Krafla fault swarm in NE-IcelandKrafla VolcanoVolcanismIcelandInternational Symposium on the Activity of Oceanic Volcanoes. Ponta Delgada, 4-9 August 1980.The Krafla volcano in the rift zone of NE-Iceland has been going through a series of inflation-deflation cycles since 1975. Magma accumulates beneath the volcano during slow inflation periods and is injected laterally into the Krafla fault swarm during deflation events. Each deflation event has a characteristic pattern of seismic activity. It typically begins with continuous volcanic tremor and the tremor amplitude is dependent on the rate of deflation. Earthquake activity increases shortly after the deflation starts and the epicentral area is soon extended from the caldera region, along the fault swarm to the north, the south or both. The propagation speed of the seismic activity is highest in the beginning, but decreases with decreasing deflation rate and increasing length of the epicentral zone. Typical speed is 0.5 m/s, but may reach values as high as 1.2 m/s. […].Universidade dos AçoresRepositório da Universidade dos AçoresBrandsdóttir, BryndísEinarsson, Páll2018-12-03T13:59:40Z1982-071982-07-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.3/4919engBRANDSDÓTTIR, Bryndís; EINARSSON, Páll (1982). Seismic activity and rifting in the Krafla fault swarm in NE-Iceland. "Arquipélago. Série Ciências da Natureza", 3: 57-58.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2022-12-20T14:33:10Zoai:repositorio.uac.pt:10400.3/4919Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:27:14.472765Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
title Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
spellingShingle Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
Brandsdóttir, Bryndís
Krafla Volcano
Volcanism
Iceland
title_short Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
title_full Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
title_fullStr Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
title_full_unstemmed Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
title_sort Seismic activity and rifting in the Krafla fault swarm in NE-Iceland
author Brandsdóttir, Bryndís
author_facet Brandsdóttir, Bryndís
Einarsson, Páll
author_role author
author2 Einarsson, Páll
author2_role author
dc.contributor.none.fl_str_mv Repositório da Universidade dos Açores
dc.contributor.author.fl_str_mv Brandsdóttir, Bryndís
Einarsson, Páll
dc.subject.por.fl_str_mv Krafla Volcano
Volcanism
Iceland
topic Krafla Volcano
Volcanism
Iceland
description International Symposium on the Activity of Oceanic Volcanoes. Ponta Delgada, 4-9 August 1980.
publishDate 1982
dc.date.none.fl_str_mv 1982-07
1982-07-01T00:00:00Z
2018-12-03T13:59:40Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.3/4919
url http://hdl.handle.net/10400.3/4919
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv BRANDSDÓTTIR, Bryndís; EINARSSON, Páll (1982). Seismic activity and rifting in the Krafla fault swarm in NE-Iceland. "Arquipélago. Série Ciências da Natureza", 3: 57-58.
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv Universidade dos Açores
publisher.none.fl_str_mv Universidade dos Açores
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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