Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Sigrun Hreinsdottir"'
1
Akademický článek
2021–2023 Unrest and Geodetic Observations at Askja Volcano, Iceland
Autor: Michelle M. Parks, Freysteinn Sigmundsson, Vincent Drouin, Sigrún Hreinsdóttir, Andrew Hooper, Yilin Yang, Benedikt G. Ófeigsson, Erik Sturkell, Ásta R. Hjartardóttir, Ronni Grapenthin, Halldór Geirsson, Elisa Trasatti, Sara Barsotti, Rikke Pedersen, Páll Einarsson, Bergrún A. Óladóttir, Hildur M. Friðriksdóttir
Publikováno v: Geophysical Research Letters, Vol 51, Iss 4, Pp n/a-n/a (2024)
Abstract Unrest began in July 2021 at Askja volcano in the Northern Volcanic Zone (NVZ) of Iceland. Its most recent eruption, in 1961, was predominantly effusive and produced ∼0.1 km3 lava field. The last plinian eruption at Askja occurred in 1875.
Externí odkaz: https://doaj.org/article/d85f8ea887504790a66318307fc7de2d
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2
Akademický článek
Stretching, Shaking, Inflating: Volcanic-Tectonic Interactions at a Rifting Silicic Caldera
Autor: James D. Muirhead, Finnigan Illsley-Kemp, Simon J. Barker, Pilar Villamor, Colin J. N. Wilson, Peter Otway, Eleanor R. H. Mestel, Graham S. Leonard, Susan Ellis, Martha K. Savage, Stephen Bannister, Julie V. Rowland, Dougal Townsend, Ian J. Hamling, Sigrún Hreinsdóttir, Bubs Smith, Ross McGregor, Madisen Snowden, Yaasameen Shalla
Publikováno v: Frontiers in Earth Science, Vol 10 (2022)
Silicic caldera volcanoes are frequently situated in regions of tectonic extension, such as continental rifts, and are subject to periods of unrest and/or eruption that can be triggered by the interplay between magmatic and tectonic processes. Modern
Externí odkaz: https://doaj.org/article/79bcbbe222f74e2f8f38b3092e927ce9
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3
Akademický článek
Inflation-Deflation Episodes in the Hengill and Hrómundartindur Volcanic Complexes, SW Iceland
Autor: Cécile Ducrocq, Halldór Geirsson, Thóra Árnadóttir, Daniel Juncu, Vincent Drouin, Gunnar Gunnarsson, Bjarni R. Kristjánsson, Freysteinn Sigmundsson, Sigrún Hreinsdóttir, Sigrún Tómasdóttir, Hanna Blanck
Publikováno v: Frontiers in Earth Science, Vol 9 (2021)
Non-eruptive uplift and subsidence episodes remain a challenge for monitoring and hazard assessments in active volcanic systems worldwide. Sources of such deformation may relate to processes such as magma inflow and outflow, motion and phase changes
Externí odkaz: https://doaj.org/article/c86e9559a3ee46e1b1460735d3a350a6
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4
Akademický článek
Volcanic Unrest at Taupō Volcano in 2019: Causes, Mechanisms and Implications
Autor: Finnigan Illsley‐Kemp, Simon J. Barker, Colin J. N. Wilson, Calum J. Chamberlain, Sigrún Hreinsdóttir, Susan Ellis, Ian J. Hamling, Martha K. Savage, Eleanor R. H. Mestel, Fabian B. Wadsworth
Publikováno v: Geochemistry, Geophysics, Geosystems, Vol 22, Iss 6, Pp n/a-n/a (2021)
Abstract Taupō volcano, New Zealand, is a large caldera volcano that has been highly active through the Holocene. It most recently erupted ∼1,800 years ago but there have been multiple periods of historic volcanic unrest. We use seismological and
Externí odkaz: https://doaj.org/article/33b28a92b2c74c0eb547f5c1dcbe701d
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8
Magma pressurisation sustains eruptive episode at dome-building Soufrière Hills Volcano
Autor: James Hickey, Karen Pascal, Matthew Head, Joachim Gottsmann, Nico Fournier, Sigrun Hreinsdottir, Racquel Syers
Dome-building volcanoes are particularly challenging for volcanic hazard assessment, where long-term eruptive episodes can be interspersed with periods of intra-eruptive repose. Defining the end of eruptive episodes is vitally important for the socio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::78286a99a0d0e039024216a91c2b4d44
https://doi.org/10.31223/x5rk7r
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