Geomorphology of the post-caldera monogenetic volcanoes at Deception Island, Antarctica — Implications for landform recognition and volcanic hazard assessment

2020 ◽  
Vol 402 ◽  
pp. 106986
Author(s):  
Dario Pedrazzi ◽  
Gabor Kereszturi ◽  
Agustin Lobo ◽  
Adelina Geyer ◽  
Janina Calle
2020 ◽  
Author(s):  
Dario Pedrazzi ◽  
Gabor Kereszturi ◽  
Stefania Schamuells ◽  
Agustin Lobo ◽  
Janina Calle

<p>Deception Island is one of the most active volcanoes in Antarctica, with more than 20 monogenetic eruptions during the Holocene. The latest episodes of 1967, 1969 and 1970 have shown that volcanic activity on Deception Island can become a concern for tourists, scientists, and military personnel working on or near the island.</p><p>The objective of this work is, therefore to identify eruptive processes and the evolution of post-caldera volcanic edifices at Deception Island by morphometric analysis, supported by field observations. This methodology has been used since the 1970s to analyse mafic monogenetic volcanoes but it has not been fully developed until recently.</p><p>Tuff cones and rings, as a result of magma-water interaction, represent the most common eruptive events occurring during Deception Island's recent geological past and are therefore the most likely to occur in the near future. This work provides an opportunity to incorporate for the first time at Deception Island geomorphological observations for a better comprehension of the potential evolution of a future eruption and for a broader understanding of volcanic hazards on this island.</p><p>This research was supported by the MICINN grant CTM2011- 13578-E and was partially funded by the POSVOLDEC project (CTM2016-79617-P) (AEI/FEDER-UE). A.G. is grateful for her Ramón y Cajal contract (RYC-2012-11024). D.P. is grateful for his Beatriu de Pinós (2016 BP 00086) and Juan de la Cierva (IJCI-2016-30482) contracts. This research is part of POLARCSIC and AntVolc activities</p>


2011 ◽  
Vol 54 (5) ◽  
Author(s):  
Annamaria Vicari ◽  
Giuseppe Bilotta ◽  
Sergio Bonfiglio ◽  
Annalisa Cappello ◽  
Gaetana Ganci ◽  
...  

Author(s):  
Servando De la Cruz-Reyna ◽  
Ana Teresa Mendoza-Rosas

2016 ◽  
Vol 78 (11) ◽  
Author(s):  
Pablo Tierz ◽  
Laura Sandri ◽  
Antonio Costa ◽  
Lucia Zaccarelli ◽  
Mauro Antonio Di Vito ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document