Dr. Adelina Geyer

Researcher, National Research Council of Spain, CSIC


Analogue and numerical models of volcanic processes. Special interest on collapse caldera processes. Creation and maintenance of the CCDB (Collapse Caldera DataBase) (http://www.gvb-csic.es/CCDB.htm) and past webmaster of the IAVCEI (International Association of Volcanology and Chemistry of the Earth’s Interior web sites. Currently working on the historic volcanism of Deception island caldera and the evaluation of its volcanic hazard.


Álvarez-Valero, A. M., Gisbert, G., Aulinas, M., Geyer, A., Kereszturi, G., Polo-Sánchez, A., et al. (2020). δD and δ18O variations of the magmatic system beneath Deception Island volcano (Antarctica): Implications for magma ascent and eruption forecasting. Chemical Geology, 542, 119595. https://doi.org/10.1016/J.CHEMGEO.2020.119595

Pedrazzi, D., Kereszturi, G., Lobo, A., Geyer, A., & Calle, J. (2020). Geomorphology of the post-caldera monogenetic volcanoes at Deception Island, Antarctica—Implications for landform recognition and volcanic hazard assessment. Journal of Volcanology and Geothermal Research, 402, 106986.

Geyer, A., Álvarez-Valero, A. M., Gisbert. G., Aulinas, M., Hernández-Barreña, D., Lobo, A., Martí, J. Deciphering the evolution of Deception Island’s magmatic system. Scientific Reports (2019) 9:373 | DOI:10.1038/s41598-018-36188-4

Rosado, B., Fernández-Ros, A., Berrocoso, M., Prates, G., Gárate, J., de Gil, A., & Geyer, A. (2019). Volcano-tectonic dynamics of Deception Island (Antarctica): 27 years of GPS observations (1991–2018). Journal of Volcanology and Geothermal Research, 381, 57–82. https://doi.org/10.1016/j.jvolgeores.2019.05.009

Margalef, O., Álvarez Gómez, J. A., Pla-Rabes, S., Cañellas-Boltà, N., Rull, V., Sáez, A., Geyer, A., Peñuelas, J., Sardans, J., Giralt, S. (2018). Revisiting the role of high-energy Pacific events in the environmental and cultural history of Easter Island (Rapa Nui). Geographical Journal, 184 (3), 310-322, https://doi.org/10.1111/geoj.12253

Pedrazzi, D., Németh, K., Geyer, A., Álvarez-Valero, A. M., Aguirre-Díaz, G., & Bartolini, S. (2018). Historic hydrovolcanism at Deception Island (Antarctica): implications for eruption hazards. Bulletin of Volcanology, 80(1), 11. https://doi.org/10.1007/s00445-017-1186-9

Antoniades, D.,Giralt, S., Geyer, A., Álvarez-Valero, A.M., Pla-Rabes, S., Granados, I., Liu, E.J., Toro, M., Smellie, J.L., Oliva, M. (2018). The timing and widespread effects of the largest Holocene volcanic eruption in Antarctica. Scientific Reports – Scientific Reports, 8(1), 17279. https://doi.org/10.1038/s41598-018-35460-x

Álvarez-Valero, A. M., Burgess, R., Recio, C., de Matos, V., Sánchez-Guillamón, O., Gómez-Ballesteros, M., et al. (2018). Noble gas signals in corals predict submarine volcanic eruptions. Chemical Geology, 480(5), 28–34. https://doi.org/10.1016/j.chemgeo.2017.05.013

Pedrazzi, D., K. Németh, A. Geyer, A. M. Álvarez-Valero, G. Aguirre-Díaz, and S. Bartolini (2017), Historic hydrovolcanism at Deception Island (Antarctica): implications for eruption hazards, Bulletin of Volcanology, 80(1), 11, doi: 10.1007/s00445-017-1186-9

Geyer, A., A. Marti, S. Giralt, and A. Folch (2017), Potential ash impact from Antarctic volcanoes: Insights from Deception Island’s most recent eruption, Scientific Reports, 7(1), 16534, doi: 10.1038/s41598-017-16630-9.

Martí, J., Planagumà, Ll., Geyer, A., Aguirre-Díaz, G., Pedrazzi, D., Bolós, X. Basaltic ignimbrites in monogenetic volcanism. Bulletin of Volcanology (2017) 79:33 DOI 10.1007/s00445-017-1113-0

Álvarez-Valero, A.M., Burgess, R., Recio, C. et al., Noble gas signals in corals predict submarine volcanic eruptions. Chemical Geology. http://dx.doi.org/10.1016/j.chemgeo.2017.05.013

Becerril, L., Martí, J., Bartolini, S. and Geyer, A., 2017. Assessing qualitative long-term volcanic hazard at Lanzarote Island (Canary Islands). Nat. Hazards Earth Syst. Sci. Discuss., 2017: 1-26. http://dx.doi.org/10.5194/nhess-2017-2

Martí, J., Villaseñor, A., Geyer, A., López, C, Tryggvason, A. Stress barriers controlling lateral migration of magma revealed by seismic tomography. Scientific Reports (2017) | 7:40757 | DOI: 10.1038/srep40757

Guzmán, S., Neri, M., Carniel, R. et al., Remarkable variability in dyke features at the Vicuña Pampa Volcanic Complex, Southern Central Andes. Terra Nova: n/a-n/a. http://dx.doi.org/10.1111/ter.12268

Liu, E.J., Oliva, M., Antoniades, D. et al., 2016. Expanding the tephrostratigraphical framework for the South Shetland Islands, Antarctica, by combining compositional and textural tephra characterisation. Sedimentary Geology, 340: 49-61. http://dx.doi.org/10.1016/j.sedgeo.2015.08.002

GEYER, A., Martí, J. and Villaseñor, A., 2016. First-order estimate of the Canary Islands plate-scale stress field: Implications for volcanic hazard assessment. Tectonophysics, 679: 125-139.http://dx.doi.org/10.1016/j.tecto.2016.04.010

Douglas, M.M., GEYER, A., Álvarez-Valero, A.M. and Martí, J., 2016. Modeling magmatic accumulations in the upper crust: Metamorphic implications for the country rock. Journal of Volcanology and Geothermal Research, 319: 78-92.http://dx.doi.org/10.1016/j.jvolgeores.2016.03.008

Ronchin, E., GEYER, A. and Martí, J. 2015. Evaluating Topographic Effects on Ground Deformation: Insights from Finite Element Modeling. Surveys in Geophysics, 1-36. http://www.dx.doi.org/10.1007/s10712-015-9325-3.

Rodríguez, C., GEYER, A., Castro, A., and Villaseñor, A., 2015. Natural equivalents of thermal gradient experiments. Journal of Volcanology and Geothermal Research 298, 47-58. http://dx.doi.org/10.1016/j.jvolgeores.2015.03.021

Álvarez-Valero, A. M., F. Pla, L. M. Kriegsman, A. GEYER, and H. Herrero, 2015, Observing silicic magma transport in dykes at depths of 8-19km: Evidences from crustal xenoliths and numerical modelling, Journal of Volcanology and Geothermal Research, 296(0), 69-79, http://dx.doi.org/10.1016/j.jvolgeores.2015.02.013

GEYER, A., García-Sellés, D., Pedrazzi, D., Barde-Cabusson, S., Martí, J., Muñoz, J.A., 2015. “Studying monogenetic volcanoes with a terrestrial laser scanner: case study at Croscat volcano (Garrotxa Volcanic Field, Spain)”. Bulletin of Volcanology, 77: 22. http://www.dx.doi.org/10.1007/s00445-015-0909-z

Pedrazzi, D., Aguirre-Díaz, G., Bartolini, S., Martí, J., GEYER, A., 2014. The 1970 eruption on Deception Island (Antarctica): eruptive dynamics and implications for volcanic hazards. Journal of the Geological Society 171, 765-778. http://dx.doi.org/10.1144/jgs2014-015

GEYER, A.,J.Martí. A short review of our current understanding of the development of ring faults during collapse caldera formation. Frontiers in Volcanology. Nature Publishing Group, 09/2014. http://dx.doi.org/10.3389/feart.2014.00022

S.Bartolini; GEYER, A., J.Marti; G. Aguirre-Díaz; D. Pedrazzi. Volcanic hazard on Deception Island (South Shetland Islands, Antarctica). Journal of Volcanology and Geothermal Research. 285, pp. 150 – 168. Elsevier, 20/08/2014. http://www.dx.doi.org/10.1016/j.jvolgeores.2014.08.009

Barde-Cabusson, S., Gottsmann, J., J., M., Bolós, X., Camacho, A.G., GEYER, A., Planagumà, L., Ronchin, E., Sánchez, A., 2014. Structural control of monogenetic volcanism in the Garrotxa volcanic field (Northeastern Spain) from gravity and self-potential measurements. Bulletin of Volcanology 76, 1-13. http://dx.doi.org/10.1007/s00445-013-0788-0

Kereszturi, G.b., GEYER, A., et al. (2013). “Evaluation of morphometry-based dating of monogenetic volcanoes- a case study from Bandas del Sur, Tenerife (Canary Islands)”. Bulletin of Volcanology, 75(7): 1-19. http://www.dx.doi.org/10.1007/s00445-013-0734-1

Pedrazzi, D., Martí, J. and GEYER, A., (2013). “Stratigraphy, sedimentology and eruptive mechanisms in the tuff cone of El Golfo (Lanzarote, Canary Islands)”. Bulletin of Volcanology, 75(7): 1-17. http://dx.doi.org/10.1007/s00445-013-0740-3

J. Marti; GEYER, A., G. Aguirre Díaz. Origin and evolution of the Deception Island caldera (South Shetland Islands, Antarctica). Bulletin of Volcanology. 75, pp. 732. Springer, 05/06/2013. http://dx.doi.org/10.1007/s00445-013-0732-3

GEYER, A. and Martí, J., (2012). “Applying Benford’s law to volcanology”. Geology, 40(4): 327-330.http://dx.doi.org/10.1130/G32787.1

GEYER, A., Phillips, J., et al. (2012). “Flow behaviour of negatively buoyant jets in immiscible ambient fluid”. Experiments in Fluids, 52(1): 261-271.http://dx.doi.org/10.1130/G32787.1

Mier-Torrecilla, M., GEYER, A., et al. (2012). “Numerical simulations of negatively buoyant jets in an immiscible fluid using the Particle Finite Element Method.” International Journal for Numerical Methods in Fluids 69 (5): 1016-1030 DOI10.1002/fld.2628.

MartÌ, J., L. Planagumà, et al. (2011). “Complex interaction between Strombolian and phreatomagmatic eruptions in the Quaternary monogenetic volcanism of the Catalan Volcanic Zone (NE of Spain).” Journal of Volcanology and Geothermal Research 201(1-4): 178-193.

GEYER, A. and J. Marti (2011). “The distribution of basaltic volcanism on Tenerife, Canary Islands: Implications on the origin and dynamics of the rift system, reply to the comment by Carracedo et al.” Tectonophysics 503(3-4): 234-238.

GEYER, A. and I. Bindeman (2011). “Glacial influence on caldera-forming eruptions.” Journal of Volcanology and Geothermal Research 202(1-2): 127-142. http://dx.doi.org/10.1016/j.jvolgeores.2011.02.001

Aguirre-Diaz, G., GEYER, A., et al. (2011). “Improving and Facilitating Research on Collapse Calderas.” EOS, Transactions of the American Geophysical Union 92(7): 53-60.

Sobradelo, R., GEYER, A., et al. (2010). “Statistical data analysis of the CCDB (Collapse Caldera Database): Insights on the formation of caldera systems.” Journal of Volcanology and Geothermal Research 198(1-2): 241-252.

Petrinovic, I. A., J. Martí, et al. (2010). “The Cerro Aguas Calientes caldera, NW Argentina: An example of a tectonically controlled, polygenetic collapse caldera, and its regional significance.” Journal of Volcanology and Geothermal Research 194(1-3): 15-26.

*GEYER, A. and J. Martí (2010). “The distribution of basaltic volcanism on Tenerife, Canary Islands: Implications on the origin and dynamics of the rift systems.” Tectonophysics 483(3-4): 310-326.http://dx.doi.org/10.1016/j.tecto.2009.11.002

GEYER, A. and J. Gottsmann (2010). “The influence of mechanical stiffness on caldera deformation and implications for the 1971-1984 Rabaul uplift (Papua New Guinea).” Tectonophysics 483(3-4): 399-412. http://dx.doi.org/10.1016/j.tecto.2009.10.029

Martí , J., GEYER, A., et al. (2009). A genetic classification of collapse calderas based on field studies, analogue and theoretical modelling. Volcanology: the Legacy of GPL Walker. T. Thordarson and S. Self. London, IAVCEI-Geological Society of London. 2: 249-266.

Martí , J. and GEYER, A. (2009). “Central vs flank eruptions at Teide–Pico Viejo twin stratovolcanoes (Tenerife, Canary Islands).” Journal of Volcanology and Geohtermal Research 181(1-2): 47-60.

Kinvig, H., GEYER, A., et al. (2009). “On the effect of crustal layering on ring-fault initiation and the formation of collapse calderas.” Journal of Volcanology and Geothermal Research 186: 293-304.

GEYER, A. and J. Martí (2009). “Stress fields controlling the formation of nested and overlapping calderas: Implications for the understanding of caldera unrest.” Journal of Volcanology and Geothermal Research 181(3-4): 185-195.

Martí , J., GEYER, A., et al. (2008). A review on collapse caldera modelling. Caldera Volcanism: Analysis, Modelling and Response. J. Gottsmann and J. Martí Amsterdam, Elsevier.

Martí , J., GEYER, A., et al. (2008). “Assessing the potential for future explosive activity from Teide–Pico Viejo stratovolcanoes (Tenerife, Canary Islands).” Journal of Volcanology and Geothermal Research 178: 529-542.http://dx.doi.org/10.1016/j.jvolgeores.2008.07.011

Martí , J., W. Aspinall, et al. (2008). “A long-term volcanic hazard event tree for Teide-Pico Viejo stratovolcanoes (Tenerife, Canary Islands).” Journal of Volcanology and Geothermal Research 178: 543-552.

GEYER, A. and J. Martí (2008). “The new worldwide collapse caldera database (CCDB): A tool for studying and understanding caldera processes.” Journal of Volcanology and Geothermal Research 175: 334-354. http://dx.doi.org/10.1016/j.jvolgeores.2008.03.017

GEYER, A. and J. Gottsmann (2008). “Ground deformation at collapse calderas: Influence of host rock lithology and reservoir multiplicity.” IOP Conf. Series: Earth and Environmental Science 3: 012017.

*GEYER, A., FOLCH, A., et al. (2006). “Relationship between caldera collapse and magma chamber withdrawal: An experimental approach.” Journal of Volcanology and Geothermal Research 157(4): 375-386.http://dx.doi.org/10.1016/j.jvolgeores.2006.05.001