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Artykuły w czasopismach na temat „Copahue volcano”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Lopez Bedogni, Germán, Francisco L. Massello, Alejandra Giaveno, Edgardo Rubén Donati, and María Sofía Urbieta. "A Deeper Look into the Biodiversity of the Extremely Acidic Copahue volcano-Río Agrio System in Neuquén, Argentina." Microorganisms 8, no. 1 (2019): 58. http://dx.doi.org/10.3390/microorganisms8010058.

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The Copahue volcano-Río Agrio system, on Patagonia Argentina, comprises the naturally acidic river Río Agrio, that runs from a few meters down the Copahue volcano crater to more than 40 km maintaining low pH waters, and the acidic lagoon that sporadically forms on the crater of the volcano, which is studied for the first time in this work. We used next-generation sequencing of the 16S rRNA gene of the entire prokaryotic community to study the biodiversity of this poorly explored extreme environment. The correlation of the operational taxonomic units (OTUs)s presence with physicochemical variab

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2

Varekamp, J. C., A. P. Ouimette, S. W. Herman, K. S. Flynn, A. Bermudez, and D. Delpino. "Naturally acid waters from Copahue volcano, Argentina." Applied Geochemistry 24, no. 2 (2009): 208–20. http://dx.doi.org/10.1016/j.apgeochem.2008.11.018.

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3

Paez, P. A., M. G. Cogliati, A. T. Caselli, and A. M. Monasterio. "An analysis of volcanic SO2 and ash emissions from Copahue volcano." Journal of South American Earth Sciences 110 (October 2021): 103365. http://dx.doi.org/10.1016/j.jsames.2021.103365.

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Sosa, Yair Mauad, Romina Soledad Molina, Silvana Spagnotto, et al. "Seismic Event Detection in the Copahue Volcano Based on Machine Learning: Towards an On-the-Edge Implementation." Electronics 13, no. 3 (2024): 622. http://dx.doi.org/10.3390/electronics13030622.

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This study focused on seismic event detection in a volcano using machine learning by leveraging the advantages of software/hardware co-design for a system on a chip (SoC) based on field-programmable gate array (FPGA) devices. A case study was conducted on the Copahue Volcano, an active stratovolcano located on the border between Argentina and Chile. Volcanic seismic event processing and detection were integrated into a PYNQ-based implementation by using a low-end SoC-FPGA device. We also provide insights into integrating an SoC-FPGA into the acquisition node, which can be valuable in scenarios

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5

Varekamp, Johan C. "The acid lakes and rivers of Copahue Volcano, Argentina." Chinese Journal of Geochemistry 25, S1 (2006): 229. http://dx.doi.org/10.1007/bf02840188.

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Báez, Alejandro D., Walter Báez, Alberto T. Caselli, Mateo A. Martini, and Carlos A. Sommer. "The glaciovolcanic evolution of the Copahue volcano, Andean Southern Volcanic Zone, Argentina-Chile." Journal of Volcanology and Geothermal Research 396 (May 2020): 106866. http://dx.doi.org/10.1016/j.jvolgeores.2020.106866.

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7

Varekamp, Johan C., Andrew P. Ouimette, Scott W. Herman, Adriana Bermúdez, and Daniel Delpino. "Hydrothermal element fluxes from Copahue, Argentina: A “beehive” volcano in turmoil." Geology 29, no. 11 (2001): 1059. http://dx.doi.org/10.1130/0091-7613(2001)029<1059:heffca>2.0.co;2.

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8

Varekamp, Johan C. "Copahue volcano: A modern terrestrial analog for the opportunity landing site?" Eos, Transactions American Geophysical Union 85, no. 41 (2004): 401. http://dx.doi.org/10.1029/2004eo410002.

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9

Chiacchiarini, P., L. Lavalle, Alejandra Giaveno, and Edgardo R. Donati. "Acidophilic Microorganisms from Geothermal Copahue Volcano System. Assessment of Biotechnological Applications." Advanced Materials Research 71-73 (May 2009): 87–91. http://dx.doi.org/10.4028/www.scientific.net/amr.71-73.87.

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This work presents an overview of the physicochemical and biological studies carried out along Rio Agrio and in different hot springs belonging to the geothermal Copahue volcano system, in Neuquén Argentina. This is an extreme environment characterized by wide ranges of temperature, pH (<1 to 8) and heavy metals concentration. In these extreme conditions chemolitho-autotrophic bacteria, archaea, heterotrophic bacteria, yeasts and filamentous fungi were detected. Members of Leptospirillum ferrooxidans, Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Acidianus spp., among ot

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10

Tamburello, G., M. Agusto, A. Caselli, et al. "Intense magmatic degassing through the lake of Copahue volcano, 2013–2014." Journal of Geophysical Research: Solid Earth 120, no. 9 (2015): 6071–84. http://dx.doi.org/10.1002/2015jb012160.

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11

Velez, Maria Laura, Pablo Euillades, Alberto Caselli, Mauro Blanco, and Jose Martínez Díaz. "Deformation of Copahue volcano: Inversion of InSAR data using a genetic algorithm." Journal of Volcanology and Geothermal Research 202, no. 1-2 (2011): 117–26. http://dx.doi.org/10.1016/j.jvolgeores.2011.01.012.

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12

Báez, Alejandro D., Walter Báez, Alberto T. Caselli, Romina Daga, and Carlos A. Sommer. "A reinterpretation of pyroclastic density current deposits at Copahue volcano, Andean Southern Volcanic Zone, Argentina-Chile." Journal of South American Earth Sciences 111 (November 2021): 103479. http://dx.doi.org/10.1016/j.jsames.2021.103479.

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13

Giaveno, Alejandra, J. Huergo, L. Lavalle, Wolfgang Sand, and Edgardo R. Donati. "Molecular and Morphological Characterization of Cultures from the Extreme Environmental Area of Copahue Volcano-Argentina." Advanced Materials Research 71-73 (May 2009): 93–96. http://dx.doi.org/10.4028/www.scientific.net/amr.71-73.93.

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This report describes the detection and identification of archaea in several sites located in the area of Copahue volcano, Neuquén province, Argentina by mean of different molecular techniques (PCR, DGGE, DNA sequencing and FISH). In order to study the archaea morphology, cultures were examined using different microscopic techniques (SEM, TEM, EFM and AFM). The corresponding archaea were identified as close relative or members of the genus Acidianus as well as other uncultured archaea clones showing a 93% of similarity to each others.

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14

Giaveno, Alejandra, and Edgardo R. Donati. "Bioleaching of a Zinc Sulfide Ore by Thermophilic Consortia Isolated from Copahue Volcano." Advanced Materials Research 20-21 (July 2007): 79–82. http://dx.doi.org/10.4028/www.scientific.net/amr.20-21.79.

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Bioleaching of a sulfide ore was investigated using a consortium of thermophilic bacteria and archaea. The consortium was obtained through successive enrichment procedures (using M88 with tetrathionate) after isolating from two different places into the geothermal area (Baño 9 and Las Maquinitas) of the Copahue volcano (in the north of Neuquén province in Argentina). Bioleaching experiments were carried out in 250-ml shake flasks with 100 ml of media and 1 g of the sulfide ore. Flasks were incubated at 150 rpm and 70 oC. The major constituents of the ore (La Resbalosa, Argentina) were sphaleri

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15

Gómez, Darío, Patricia Smichowski, Griselda Polla, Ariel Ledesma, Sara Resnizky, and Susana Rosa. "Fractionation of elements by particle size of ashes ejected from Copahue Volcano, Argentina." J. Environ. Monit. 4, no. 6 (2002): 972–77. http://dx.doi.org/10.1039/b207080b.

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16

Nolasco, Costanza, Patricia A. Chiacchiarini, Teresa Laura Lavalle, and Alejandra Giaveno. "A Novel Acidianus Strain Isolated from Copahue, Argentina Involved in the Sulphur Cycle of a Volcanic Environment." Advanced Materials Research 825 (October 2013): 66–69. http://dx.doi.org/10.4028/www.scientific.net/amr.825.66.

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The extremely thermophilic archaea have become a research hotspot in the recent years because of their extreme living conditions, physicochemical characteristics such as the oxidation of sulphur, metal sulphide ore and excellent leaching capability of metal sulphides. A novel thermoacidophilic archaea (ALE1 strain) of the genusAcidianus,CandidatusAcidianus copahuensis, was isolated from the Copahue Volcano area, in Neuquén, Argentina. This strain was able to metabolize different sulphur compounds under aerobic and anaerobic conditions. ALE1 strain was inoculated in M88, a selective medium for

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17

Agusto, Mariano R., Alberto Caselli, Romina Daga, et al. "The crater lake of Copahue volcano (Argentina): geochemical and thermal changes between 1995 and 2015." Geological Society, London, Special Publications 437, no. 1 (2016): 107–30. http://dx.doi.org/10.1144/sp437.16.

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18

Varekamp, J. C., A. P. Ouimette, S. W. Herman, K. S. Flynn, A. Bermudez, and D. Delpino. "Corrigendum to “Naturally acid waters from Copahue volcano, Argentina” [Applied Geochemistry 24 (2009) 208–220]." Applied Geochemistry 24, no. 7 (2009): 1354. http://dx.doi.org/10.1016/j.apgeochem.2009.03.009.

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19

Lundgren, Paul, Mehdi Nikkhoo, Sergey V. Samsonov, Pietro Milillo, Fernando Gil-Cruz, and Jonathan Lazo. "Source model for the Copahue volcano magma plumbing system constrained by InSAR surface deformation observations." Journal of Geophysical Research: Solid Earth 122, no. 7 (2017): 5729–47. http://dx.doi.org/10.1002/2017jb014368.

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20

Mamanı́, M. J., E. Borzotta, J. E. Venencia, A. Maidana, C. E. Moyano, and B. Castiglione. "Electric structure of the Copahue Volcano (Neuquén Province, Argentina), from magnetotelluric soundings: 1D and 2D modellings." Journal of South American Earth Sciences 13, no. 1-2 (2000): 147–56. http://dx.doi.org/10.1016/s0895-9811(00)00011-0.

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21

Suárez-Herrera, César A., Guillermo Toyos, Leily J. Candela-Becerra, and Mariano Agusto. "Analysis of thermal anomalies at Copahue Volcano between October 2011 and the December 2012 eruption with MODIS." Journal of South American Earth Sciences 110 (October 2021): 103310. http://dx.doi.org/10.1016/j.jsames.2021.103310.

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22

Urbieta, María Sofía, Elena González Toril, Ángeles Aguilera, Maria Alejandra Giaveno, Edgardo Donati, and Edgardo R. Donati. "Cyanobacteria and Photosynthetic Species as Part of the Microbial Community Structure of Biofilms in Copahue Geothermal Springs (Neuquén, Argentina)." Advanced Materials Research 825 (October 2013): 11–14. http://dx.doi.org/10.4028/www.scientific.net/amr.825.11.

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Copahue is a geothermal field located in the Northwest corner of Neuquén province in Argentina. It is dominated by the still active Copahue volcano. In the area there are many acidic pools, hot springs and solfataras with different temperature and pH conditions that influence their microbial diversity. On the surrounding rocks and the borders of the pools, where water movements and thermal activity are less intense, many biofilms can be found. They have different aspects and structure, and they present less extreme temperature and pH conditions than the ponds and hot springs. Biofilms are a di

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23

Balbis, C., I. A. Petrinovic, and S. Guzmán. "A contribution to the hazards assessment at Copahue volcano (Argentina-Chile) by facies analysis of a recent pyroclastic density current deposit." Journal of Volcanology and Geothermal Research 327 (November 2016): 288–98. http://dx.doi.org/10.1016/j.jvolgeores.2016.08.009.

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24

Candela-Becerra, Leily Johanna, Guillermo Toyos, César Augusto Suárez-Herrera, Silvia Castro-Godoy, and Mariano Agusto. "Thermal evolution of the Crater Lake of Copahue Volcano with ASTER during the last quiescence period between 2000 and 2012 eruptions." Journal of Volcanology and Geothermal Research 392 (February 2020): 106752. http://dx.doi.org/10.1016/j.jvolgeores.2019.106752.

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25

PINCHEIRA-DONOSO, DANIEL, and J. ALEJANDRO SCOLARO. "Iguanian species-richness in the Andes of boreal Patagonia: Evidence for an additional new Liolaemus lizard from Argentina lacking precloacal glands (Iguania, Liolaeminae)." Zootaxa 1452, no. 1 (2007): 55–68. http://dx.doi.org/10.11646/zootaxa.1452.1.4.

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Most Liolaemus lizard species are characterized by the presence of precloacal glands in males. Only a few taxa lack these sexual signal emitter structures. Phylogenetic evidence suggests that those species are restricted to the clades chiliensis and lineomaculatus. Within the first lineage, L. coeruleus, L. cristiani, L. flavipiceus, L. neuquensis and L. thermarum lack precloacal glands, which have been considered as members of the neuquensis group. Whereas, in the second one, L. periglacialis (= L. hatcheri), L. kolengh, L. lineomaculatus, and L. silvanae exhibit this characteristic. In the p

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26

Ibáñez, J. M., E. Del Pezzo, C. Bengoa, A. Caselli, G. Badi, and J. Almendros. "Volcanic tremor and local earthquakes at Copahue volcanic complex, Southern Andes, Argentina." Journal of Volcanology and Geothermal Research 174, no. 4 (2008): 284–94. http://dx.doi.org/10.1016/j.jvolgeores.2008.02.005.

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27

Urbieta, María, Graciana Porati, Ana Segretín, Elena González-Toril, María Giaveno, and Edgardo Donati. "Copahue Geothermal System: A Volcanic Environment with Rich Extreme Prokaryotic Biodiversity." Microorganisms 3, no. 3 (2015): 344–63. http://dx.doi.org/10.3390/microorganisms3030344.

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28

Geller, W., G. Baffico, M. Diaz, et al. "The acidic waters of Rio Agrio and Lago Caviahue at Volcan Copahue, Argentina." SIL Proceedings, 1922-2010 29, no. 3 (2006): 1583–86. http://dx.doi.org/10.1080/03680770.2005.11902949.

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Ruggieri, Flavia, Jose-Luis Fernández-Turiel, Julio Saavedra, Domingo Gimeno, Edmundo Polanco, and José Antonio Naranjo. "Environmental geochemistry of recent volcanic ashes from the Southern Andes." Environmental Chemistry 8, no. 3 (2011): 236. http://dx.doi.org/10.1071/en10097.

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Environmental contextExplosive volcanic eruptions may have significant environmental repercussions for many Earth system cycles, particularly the water cycle. We investigate the potential contribution to local geochemical fluxes through water of five historical eruptions that occurred over a 20-year period in the Southern Andes. In all five cases, the major potentially toxic trace elements were arsenic, copper, fluoride, molybdenum, nickel, lead and zinc. AbstractThe potential contribution to the local geochemical balance of five historical eruptions that occurred during the 20th Century has b

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30

Moncinhatto, Thiago R., Maurício B. Haag, Gelvam A. Hartmann, et al. "Mineralogical control on the magnetic anisotropy of lavas and ignimbrites: a case study in the Caviahue-Copahue field (Argentina)." Geophysical Journal International 220, no. 2 (2019): 821–38. http://dx.doi.org/10.1093/gji/ggz483.

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SUMMARY Anisotropy of magnetic susceptibility is a petrofabric tool used to estimate the alignment of minerals at the site-scale, the imbrication between the magnetic foliation and the emplacement surface being an indicator of flow direction. However, despite numerous studies examining the flow direction in pyroclastic deposits and lava flows, the effect of magnetic mineralogy and the domain state of ferromagnetic phases on the magnetic fabric remains poorly understood. This paper describes the magnetic mineralogy and its influence on the magnetic fabric of Plio-Pleistocene lava flows and igni

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31

Tardani, Daniele, Emilie Roulleau, Daniele L. Pinti, et al. "Structural control on shallow hydrogeochemical processes at Caviahue-Copahue Volcanic Complex (CCVC), Argentina." Journal of Volcanology and Geothermal Research 414 (June 2021): 107228. http://dx.doi.org/10.1016/j.jvolgeores.2021.107228.

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Debora Fabiana, Bubach, Catan Soledad Perez, Messuti Maria Ines, Arribére Maria Angelica, and Guevara Sergio Ribeiro. "Bioaccumulation of trace elements in lichens exposed to geothermal and volcanic activity from copahue-caviahue volcanic complex, patagonia, Argentina." Annals of Environmental Science and Toxicology 4, no. 1 (2020): 005–15. http://dx.doi.org/10.17352/aest.000019.

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Agusto, M., F. Tassi, A. T. Caselli, et al. "Gas geochemistry of the magmatic-hydrothermal fluid reservoir in the Copahue–Caviahue Volcanic Complex (Argentina)." Journal of Volcanology and Geothermal Research 257 (May 2013): 44–56. http://dx.doi.org/10.1016/j.jvolgeores.2013.03.003.

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Lamberti, María Clara, Nicolás Vigide, Stefania Venturi, et al. "Structural architecture releasing deep-sourced carbon dioxide diffuse degassing at the Caviahue – Copahue Volcanic Complex." Journal of Volcanology and Geothermal Research 374 (April 2019): 131–41. http://dx.doi.org/10.1016/j.jvolgeores.2019.02.004.

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Sruoga, Patricia, Marcela Yamin, Marina Corvalan, et al. "Late Pleistocene subglacial fissure-related volcanism at Caviahue-Copahue Volcanic Complex (37° 51° S, 71° 05’ W), South Volcanic Zone." Journal of South American Earth Sciences 110 (October 2021): 103309. http://dx.doi.org/10.1016/j.jsames.2021.103309.

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36

Borzotta, E., A. T. Caselli, and M. J. Mamani. "Magma Chamber Associated to Deep Faults in Copahue Active Volcanic Complex, South America, Suggested by Magnetotelluric Study." Geofizicheskiy Zhurnal 40, no. 4 (2018): 178–90. http://dx.doi.org/10.24028/gzh.0203-3100.v40i4.2018.140616.

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Chiodini, Giovanni, Carlo Cardellini, María Clara Lamberti, et al. "Carbon dioxide diffuse emission and thermal energy release from hydrothermal systems at Copahue–Caviahue Volcanic Complex (Argentina)." Journal of Volcanology and Geothermal Research 304 (October 2015): 294–303. http://dx.doi.org/10.1016/j.jvolgeores.2015.09.007.

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Farnfield, Hannah R., Andrea L. Marcilla, and Neil I. Ward. "Arsenic speciation and trace element analysis of the volcanic río Agrio and the geothermal waters of Copahue, Argentina." Science of The Total Environment 433 (September 2012): 371–78. http://dx.doi.org/10.1016/j.scitotenv.2012.05.098.

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Roulleau, E., D. Tardani, Ivan Vlastelic, et al. "Multi-element isotopic evolution of magmatic rocks from Caviahue-Copahue Volcanic Complex (Chile-Argentina): Involvement of mature slab recycled materials." Chemical Geology 476 (January 2018): 370–88. http://dx.doi.org/10.1016/j.chemgeo.2017.11.035.

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Trunk, Laura, and Alain Bernard. "Investigating crater lake warming using ASTER thermal imagery: Case studies at Ruapehu, Poás, Kawah Ijen, and Copahué Volcanoes." Journal of Volcanology and Geothermal Research 178, no. 2 (2008): 259–70. http://dx.doi.org/10.1016/j.jvolgeores.2008.06.020.

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Haag, Mauricio Barcelos, Carlos Augusto Sommer, Jairo Fransciso Savian, et al. "AMS and rock magnetism in the Caviahue-Copahue Volcanic Complex (Southern Andes): Emission center, flow dynamics, and implications to the emplacement of non-welded PDCs." Journal of Volcanology and Geothermal Research 416 (August 2021): 107283. http://dx.doi.org/10.1016/j.jvolgeores.2021.107283.

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Suárez, Rodrigo F., Lucia Lovison, and Martinus Potters. "Chilean geo client application for disasters." Proceedings of the ICA 1 (May 16, 2018): 1–5. http://dx.doi.org/10.5194/ica-proc-1-107-2018.

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The global network of the Group on Earth Observation, GEO, connects all kinds of professionals from public and private institutions with data providers, sharing information to face the challenges of global changes and human development and they are creating a Global Earth Observation System of Systems (GEOSS) to connect existing data infrastructures.<br> A GEOSS Architecture Implementation Pilot Project for Disasters in Chile (AIP-8) was created as part of a capacity building initiative and representatives of different national agencies in Chile, along with international experts, formed

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43

Roulleau, Emilie, Daniele Tardani, Yuji Sano, et al. "New insight from noble gas and stable isotopes of geothermal/hydrothermal fluids at Caviahue-Copahue Volcanic Complex: Boiling steam separation and water-rock interaction at shallow depth." Journal of Volcanology and Geothermal Research 328 (December 2016): 70–83. http://dx.doi.org/10.1016/j.jvolgeores.2016.10.007.

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Roulleau, Emilie, Francisco Bravo, Daniele L. Pinti, et al. "Structural controls on fluid circulation at the Caviahue-Copahue Volcanic Complex (CCVC) geothermal area (Chile-Argentina), revealed by soil CO 2 and temperature, self-potential, and helium isotopes." Journal of Volcanology and Geothermal Research 341 (July 2017): 104–18. http://dx.doi.org/10.1016/j.jvolgeores.2017.05.010.

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45

Zagal, Jose H., Ingrid Ponce, Laura Cristina Scarpetta Pizo, and Luis Acuña. "(Invited) Electrochemical Hardness: A New Reactivity Descriptor for Electro-Catalytic Activity of MN4 Molecular Catalysts for the Reduction of O₂." ECS Meeting Abstracts MA2025-01, no. 55 (2025): 2652. https://doi.org/10.1149/ma2025-01552652mtgabs.

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The binding energy of intermediates to the active sites in O2 reduction (ORR) is a well know reactivity descriptor in electrocatalysis, especially metallic electrodes. However, for MN4 or MNx molecular catalysts several reactivity descriptors have been proposed [1]: (i) The M-O2 binding energy, (ii) the M(III)OH/(II) redox potential, (iii) the number of d electrons and the donor (M)-acceptor intermolecular hardness. The activity (log j)E for ORR at constant potential plotted versus the binding energy and versus E°’M(III)/(II) have both the shape of a volcano. The linear weak binding region of

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46

Casas, José Augusto, Gabriela Alejandra Badi, Thomas Dylan Mikesell, Sebastian Esteban Garcia, and Deyan Draganov. "Single-Station Multiparametric Seismic Monitoring of Copahue Volcano, Argentina–Chile (2018–2023)." Seismological Research Letters, June 14, 2024. http://dx.doi.org/10.1785/0220240074.

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Abstract Knowledge about the temporal evolution of a volcano is fundamental for an accurate understanding of the occurring physical dynamic processes and an appropriate assessment of the most probable near-future volcanic scenarios. Using seismic data recorded in the area of one of the most hazardous volcanoes along the Argentina–Chile, international border—Copahue volcano, we obtain information for an improved interpretation of the processes that occurred before, during, and after eruptive events. We use a single-station methodology to assess variations in the mechanical properties and intern

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47

Cabrera, Leoncio, Alberto Ardid, Ivan Melchor, et al. "Eruption Forecasting Model for Copahue Volcano (Southern Andes) Using Seismic Data and Machine Learning: A Joint Interpretation with Geodetic Data (GNSS and InSAR)." Seismological Research Letters, May 29, 2024. http://dx.doi.org/10.1785/0220240022.

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Abstract Anticipating volcanic eruptions remains a challenge despite significant scientific advancements, leading to substantial human and economic losses. Traditional approaches, like volcano alert levels, provide current volcanic states but do not always include eruption forecasts. Machine learning (ML) emerges as a promising tool for eruption forecasting, offering data-driven insights. We propose an ML pipeline using volcano-seismic data, integrating precursor extraction, classification modeling, and decision-making for eruption alerts. Testing on six Copahue volcano eruptions demonstrates

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Farías, Cristian, Jonathan Lazo, Daniel Basualto, et al. "One decade of b-value variations from volcano-tectonic seismicity as an early indicator of episodes of crisis in a volcano: the case of Copahue, Southern Andes." Frontiers in Earth Science 11 (August 30, 2023). http://dx.doi.org/10.3389/feart.2023.1181177.

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Volcanoes can enter in episodes of unrest, which might end later in an eruption, with little warning. They are normally produced due to the inner dynamics of the volcano, but can also be triggered by external earthquakes. To detect these periods early, it becomes crucial to understand the dynamics of the different structures (such as fault systems) of the volcano, as they can act as magma pathways and can also generate instabilities on it. In this article we study the seismicity of Copahue (central-south Chile), which sits atop a complex system of faults, and was importantly affected by the 20

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Willis Poratti, Graciana, Amira Suriaty Yaakop, Chia Sing Chan, et al. "Draft Genome Sequence of the Sulfate-Reducing Bacterium Desulfotomaculum copahuensis Strain CINDEFI1 Isolated from the Geothermal Copahue System, Neuquén, Argentina." Genome Announcements 4, no. 4 (2016). http://dx.doi.org/10.1128/genomea.00870-16.

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Desulfotomaculum copahuensis strain CINDEFI1 is a novel spore-forming sulfate-reducing bacterium isolated from the Copahue volcano area, Argentina. Here, we present its draft genome in which we found genes related with the anaerobic respiration of sulfur compounds similar to those present in the Copahue environment.

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Melchor, Ivan, Javier Almendros, Marcia Hantusch, et al. "Long-duration seismicity and their relation to Copahue volcano unrest." Earth, Planets and Space 74, no. 1 (2022). http://dx.doi.org/10.1186/s40623-021-01561-7.

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AbstractUnderstanding seismic tremor wavefields can shed light on the complex functioning of a volcanic system and, thus, improve volcano monitoring systems. Usually, several seismic stations are required to detect, characterize, and locate volcanic tremors, which can be difficult in remote areas or low-income countries. In these cases, alternative techniques have to be used. Here, we apply a data-reduction approach based on the analysis of three-component seismic data from two co-located stations operating in different times to detect and analyze long-duration tremors. We characterize the spe

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