Tajogaite 2021 Eruption (La Palma, Canary Islands, Spain): An Exceptional Volcanic Heritage to Develop Geotourism

Dóniz-Páez, Javier; Németh, Károly; Becerra-Ramírez, Rafael; Hernández, William; Gosálvez, Rafael U.; Escobar, E.; González, Elena

doi:10.3390/iecg2022-13748

Cited by 3 publications

(1 citation statement)

References 23 publications

(29 reference statements)

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“…La Palma volcano started an eruption from the Cumbre Vieja vent on 19 September 2021 [1]. Some papers refer to this eruption also with the name Tajogaite [2]. In fact, the name La Palma refers to the whole volcanic island, which has an extremely long eruptive history [3].…”

Section: Introduction 1introduction and Motivation Of The Workmentioning

confidence: 99%

Atmospheric and Ionospheric Effects of La Palma Volcano 2021 Eruption

et al. 2023

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On 19 September 2021, La Palma volcano (Canarias Archipelagos) started an eruption that persisted until 13 December 2021. Despite the Volcano Explosive Index (VEI) being estimated equal to 3, corresponding to not so powerful eruption, the long eruption activity posed much scientific interest in this natural hazard event. In this paper, we searched for possible effects of this eruption on the atmosphere and ionosphere, investigating the climatological archive and Swarm magnetic satellite data. In particular, we explored Aerosol, Sulphur Dioxide and Carbon Monoxide concentrations in the atmosphere identifying both the direct emissions from the volcano as well as the plume that drifted toward West-South-West and was reinforced during the eruption period. The vertical profile of temperature from the Saber satellite was analysed to search for the possible presence of acoustic gravity waves induced by volcanic activity. Compared with the year before without eruption in the areas, a lot of Saber profiles present an Energy Potential very much higher than the previous year, proposing the presence of Acoustic Gravity Waves (AGW) induced by volcano eruption activity. We also identified Swarm magnetic disturbances on the day of the eruption and in November. The mechanism of coupling could be different for the latter one, as there is no evidence for AGW. They may be due to a more complex of physical and chemical alterations that propagate from the lower atmosphere to the upper one into the ionosphere.

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Section: Introduction 1introduction and Motivation Of The Workmentioning

confidence: 99%

Atmospheric and Ionospheric Effects of La Palma Volcano 2021 Eruption

et al. 2023

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Evaluation of Sites of Geotouristic Interest on Active Volcanic Island La Palma, Spain for Potential Volcanic Tourism

Ramos,

Dóniz-Páez,

García-Hernández

et al. 2024

Geoheritage

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Relative Sea Level and Coastal Vertical Movements in Relation to Volcano-Tectonic Processes at Mayotte Island, Indian Ocean

Gargani

2024

GeoHazards

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During the last 10 kyr, significant subsidence and uplift occurred on Mayotte Island in the Comoros archipelago (Indian Ocean), but the role of volcanic processes in Holocene vertical movements has been neglected in the research so far. Here, we show that an abrupt subsidence of 6–10 m occurred between 9.4 and 10 kyr ago, followed by an uplift of the same amplitude at a rate of 9 mm/yr from 8.1 to 7 kyr ago. A comparison of the relative sea level of Mayotte and a reference sea level curve for the global ocean has been conducted using a modeling approach. This shows that an increasing and decreasing pressure at depth, equivalent to the process caused by a deep magma reservoir (50–70 km), was responsible for ~6–10 m subsidence and 6–10 m uplift, whereas loading by new volcanic edifices caused subsidence during the last few thousand years. Surface movements and deep pressure variations may be caused by pulses from the deep mantle, related to superplume activity, but uncertainties and unknowns about these phenomena are still present and further studies are needed. A better understanding of the volcano-tectonic cycle may improve assessments of volcanic hazards.

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Tajogaite 2021 Eruption (La Palma, Canary Islands, Spain): An Exceptional Volcanic Heritage to Develop Geotourism

Cited by 3 publications

References 23 publications

Atmospheric and Ionospheric Effects of La Palma Volcano 2021 Eruption

Atmospheric and Ionospheric Effects of La Palma Volcano 2021 Eruption

Evaluation of Sites of Geotouristic Interest on Active Volcanic Island La Palma, Spain for Potential Volcanic Tourism

Relative Sea Level and Coastal Vertical Movements in Relation to Volcano-Tectonic Processes at Mayotte Island, Indian Ocean

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