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dc.contributor.author
Barrière, Julien
dc.contributor.author
d'Oreye, Nicolas
dc.contributor.author
Smets, Benoît
dc.contributor.author
Oth, Adrien
dc.contributor.author
Delhaye, Louise
dc.contributor.author
Subira, Josué
dc.contributor.author
Mashagiro, Niche
dc.contributor.author
Derauw, Dominique Maurice
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dc.contributor.author
Smittarello, Delphine
dc.contributor.author
Syavulisembo, Adalbert Muhindo
dc.contributor.author
Kervyn, François
dc.date.available
2023-07-04T15:59:06Z
dc.date.issued
2022-04
dc.identifier.citation
Barrière, Julien; d'Oreye, Nicolas; Smets, Benoît; Oth, Adrien; Delhaye, Louise; et al.; Intra-Crater Eruption Dynamics at Nyiragongo (D.R. Congo), 2002–2021; John Wiley & Sons; Journal of Geophysical Research: Solid Earth; 127; 4; 4-2022; 1-22
dc.identifier.issn
2169-9313
dc.identifier.uri
http://hdl.handle.net/11336/202308
dc.description.abstract
Nyiragongo is one of the rare volcanoes on Earth hosting a lava lake. However, the understanding of its plumbing and lava lake systems remains limited, with, until recently, only sporadic or time-limited historical observations and measurements. Combining dense accurate lava lake and crater floor level measurements based on 1,703 satellite radar images and topographic reconstructions using photogrammetry, we obtain the first reliable picture and time evolution of intra-crater erupted lava volumes between the two last flank eruptions in January 2002 and May 2021. The filling of the crater by lava, initiated in 2002 and continued up to May 2021, is seen as an evidence of a long-term pressure build up of the magmatic system. This filling occurs through irregular pulsatory episodes of rising lava lake level, some of which overflow and solidify on the surrounding crater floor. Pauses of stable molten lava lake level and sudden numerous level drops also marked the summit's eruptive activity. The joint analysis with seismic records available since 2015 revealed that the largest lava lake drops are synchronous with seismic swarms associated with deep magma intrusions, generally preceded by an increase of extrusion rate within the crater. The appearance of a spatter cone in the summit crater in 2016, most likely superficially branched to the lava lake, was a clear marker of the change in eruption dynamics. This first long-term time series of Nyiragongo's crater topography between two hazardous flank eruptions might further help to better decipher Nyiragongo's past and future behavior using multi-parameter observations.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights
Atribución-NoComercial-CompartirIgual 2.5 Argentina (CC BY-NC-SA 2.5 AR)
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
SAR Shadow analysis
dc.subject
Time series
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Nyiragongo monitoring
dc.subject.classification
Vulcanología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Intra-Crater Eruption Dynamics at Nyiragongo (D.R. Congo), 2002–2021
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-07-03T15:39:04Z
dc.identifier.eissn
2169-9356
dc.journal.volume
127
dc.journal.number
4
dc.journal.pagination
1-22
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Barrière, Julien. European Center for Geodynamics and Seismology; Luxemburgo
dc.description.fil
Fil: d'Oreye, Nicolas. European Center for Geodynamics and Seismology; Luxemburgo. National Museum of Natural History; Luxemburgo
dc.description.fil
Fil: Smets, Benoît. Royal Museum for Central Africa; Bélgica. Vrije Unviversiteit Brussel; Bélgica
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Fil: Oth, Adrien. European Center for Geodynamics and Seismology; Luxemburgo
dc.description.fil
Fil: Delhaye, Louise. Royal Museum for Central Africa; Bélgica. Vrije Unviversiteit Brussel; Bélgica
dc.description.fil
Fil: Subira, Josué. Goma Volcano Observatory; República Democrática del Congo
dc.description.fil
Fil: Mashagiro, Niche. Goma Volcano Observatory; República Democrática del Congo
dc.description.fil
Fil: Derauw, Dominique Maurice. Centre Spatial de Liège; Bélgica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina
dc.description.fil
Fil: Smittarello, Delphine. European Center for Geodynamics and Seismology; Bélgica
dc.description.fil
Fil: Syavulisembo, Adalbert Muhindo. Goma Volcano Observatory; República Democrática del Congo
dc.description.fil
Fil: Kervyn, François. Royal Museum Of Central Africa; Bélgica
dc.journal.title
Journal of Geophysical Research: Solid Earth
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021JB023858
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1029/2021JB023858
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