Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone

Regions of the subducting oceanic crust are often considered to be overpressured, owing to fluid trapped beneath an impermeable seal along the overlying inter-plate boundary. Here, the authors show that slow slip earthquakes at the Cascadia subduction zone occur immediately below a 6-10 km-thick she...

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Autores principales:	Andrew J. Calvert, Michael G. Bostock, Geneviève Savard, Martyn J. Unsworth
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/f84ec4f9a3c94cf88d799311c19e49ec
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spelling	oai:doaj.org-article:f84ec4f9a3c94cf88d799311c19e49ec2021-12-02T16:36:37ZCascadia low frequency earthquakes at the base of an overpressured subduction shear zone10.1038/s41467-020-17609-32041-1723https://doaj.org/article/f84ec4f9a3c94cf88d799311c19e49ec2020-08-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-17609-3https://doaj.org/toc/2041-1723Regions of the subducting oceanic crust are often considered to be overpressured, owing to fluid trapped beneath an impermeable seal along the overlying inter-plate boundary. Here, the authors show that slow slip earthquakes at the Cascadia subduction zone occur immediately below a 6-10 km-thick shear zone, in which slab-derived fluids are likely trapped at near-lithostatic pore pressures.Andrew J. CalvertMichael G. BostockGeneviève SavardMartyn J. UnsworthNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-10 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Andrew J. Calvert Michael G. Bostock Geneviève Savard Martyn J. Unsworth Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone
description	Regions of the subducting oceanic crust are often considered to be overpressured, owing to fluid trapped beneath an impermeable seal along the overlying inter-plate boundary. Here, the authors show that slow slip earthquakes at the Cascadia subduction zone occur immediately below a 6-10 km-thick shear zone, in which slab-derived fluids are likely trapped at near-lithostatic pore pressures.
format	article
author	Andrew J. Calvert Michael G. Bostock Geneviève Savard Martyn J. Unsworth
author_facet	Andrew J. Calvert Michael G. Bostock Geneviève Savard Martyn J. Unsworth
author_sort	Andrew J. Calvert
title	Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone
title_short	Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone
title_full	Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone
title_fullStr	Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone
title_full_unstemmed	Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone
title_sort	cascadia low frequency earthquakes at the base of an overpressured subduction shear zone
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/f84ec4f9a3c94cf88d799311c19e49ec
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Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone

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