Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ...
<!--!introduction!--> We apply multi-temporal 1D-magnetotelluric (MT) surveys to identify space-time anomalies of apparent resistivity in the upper lithosphere in the Antarctic Peninsula (border between the Antarctic and the Shetland plates). We use time series over several weeks of the natura...
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GFZ German Research Centre for Geosciences
2023
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ftdatacite:10.57757/iugg23-0088 2023-06-11T04:06:56+02:00 Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ... Vargas Jimenez, Carlos Alberto Caneva, Alexander Solano, Juan Manuel Gulisano, Adriana M. Villalobos, Jaime 2023 https://dx.doi.org/10.57757/iugg23-0088 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016453 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Oral ConferencePaper Article 2023 ftdatacite https://doi.org/10.57757/iugg23-0088 2023-05-02T11:06:54Z <!--!introduction!--> We apply multi-temporal 1D-magnetotelluric (MT) surveys to identify space-time anomalies of apparent resistivity in the upper lithosphere in the Antarctic Peninsula (border between the Antarctic and the Shetland plates). We use time series over several weeks of the natural Earth's electric and magnetic fields registered at one MT station of the Universidad Nacional de Colombia (RSUNAL) located at Seymour – Marambio Island, Antarctica. We associate resistivity anomalies with contrasting earthquake activity. Anomalies of were detected almost simultaneously with the beginning of a seismic crisis in the Bransfield Strait, south of King George Island (approx. 85.000 events were reported close to the Orca submarine volcano, with focal depths < 20 km and m b < 6.9). We explain the origin of these anomalies in response to fluid migration near the place of the fractures linked with the seismic swarm, which could promote disturbances of the pore pressure field that reached some ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica Bransfield Strait King George Island Orca DataCite Metadata Store (German National Library of Science and Technology) Antarctic Antarctic Peninsula Bransfield Strait King George Island Marambio ENVELOPE(-56.750,-56.750,-64.283,-64.283) Seymour ENVELOPE(-56.767,-56.767,-64.283,-64.283) The Antarctic |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
<!--!introduction!--> We apply multi-temporal 1D-magnetotelluric (MT) surveys to identify space-time anomalies of apparent resistivity in the upper lithosphere in the Antarctic Peninsula (border between the Antarctic and the Shetland plates). We use time series over several weeks of the natural Earth's electric and magnetic fields registered at one MT station of the Universidad Nacional de Colombia (RSUNAL) located at Seymour – Marambio Island, Antarctica. We associate resistivity anomalies with contrasting earthquake activity. Anomalies of were detected almost simultaneously with the beginning of a seismic crisis in the Bransfield Strait, south of King George Island (approx. 85.000 events were reported close to the Orca submarine volcano, with focal depths < 20 km and m b < 6.9). We explain the origin of these anomalies in response to fluid migration near the place of the fractures linked with the seismic swarm, which could promote disturbances of the pore pressure field that reached some ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Article in Journal/Newspaper |
author |
Vargas Jimenez, Carlos Alberto Caneva, Alexander Solano, Juan Manuel Gulisano, Adriana M. Villalobos, Jaime |
spellingShingle |
Vargas Jimenez, Carlos Alberto Caneva, Alexander Solano, Juan Manuel Gulisano, Adriana M. Villalobos, Jaime Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ... |
author_facet |
Vargas Jimenez, Carlos Alberto Caneva, Alexander Solano, Juan Manuel Gulisano, Adriana M. Villalobos, Jaime |
author_sort |
Vargas Jimenez, Carlos Alberto |
title |
Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ... |
title_short |
Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ... |
title_full |
Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ... |
title_fullStr |
Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ... |
title_full_unstemmed |
Evidencing fluid migration of the crust during the earthquake cycle by using 1D-magnetotelluric monitoring ... |
title_sort |
evidencing fluid migration of the crust during the earthquake cycle by using 1d-magnetotelluric monitoring ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-0088 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016453 |
long_lat |
ENVELOPE(-56.750,-56.750,-64.283,-64.283) ENVELOPE(-56.767,-56.767,-64.283,-64.283) |
geographic |
Antarctic Antarctic Peninsula Bransfield Strait King George Island Marambio Seymour The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Bransfield Strait King George Island Marambio Seymour The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Bransfield Strait King George Island Orca |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Bransfield Strait King George Island Orca |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.57757/iugg23-0088 |
_version_ |
1768379202523889664 |