Saltar al contenido
Departamento Ciencias de la Tierra

Profesor Titular

Andrés Tassara Oddo

GRADOS ACADÉMICOS

  • Geólogo y Magíster en Ciencias, mención Geología, Universidad de Chile (1997).

  • Doctor en Ciencias Naturales, mención Geofísica, Freie Universität Berlin, Alemania (2005).

ESPECIALIZACIÓN

Modelamiento geofísico data-integrativo, estructura termomecánica, evolución tectónica andina

INTERESES

  • Sismotectónica y geodinámica de zonas de subducción.

  • Estructura térmica, comportamiento mecánico y reología de márgenes continentales activos.

  • Ciclo sísmico de fallas megathrust.

  • Zona de subducción sudamericana.

ASIGNATURAS PREGRADO

  • Geología Andina.

  • Geofísica.

  • Terremotos en zonas de subducción

ASIGNATURAS POSTGRADO

  • Elaboración de Proyectos de Investigación.

  • Geología, procesos y recursos del margen andino.

  • Reología y Petrofísica de Materiales Terrestres

PROYECTOS Y ASESORÍAS

  • FOVI240176 (2024-2025), investigador responsable.

  • FONDECYT 1240862 (2024-2027), investigador responsable.

  • FOVI220075 (2023-2024), investigador responsable.

  • FONDECYT 1211792 (2021-2023), coinvestigador.

  • Co-Investigator, “Secondary volcanism of the Nazca Plate: mantle melting driven by flexural deformation of the oceanic lithosphere”, Fondecyt 1211792, 2021-2023

  • Principal Investigator, “Relating Climate Change and Crustal Stress Regimen at the Southern Andes during the last glaciation (CREAS): Implications of glacial unloading on activation of faults and volcanoes”, Fondecyt MEC 80180101, 2018-2020

  • Deputy Director, Millennium Nucleus “The Seismic Cycle along Subduction Zones (CYCLO)”, NM160025 Ministerio de Economía, 2017-2023

  • Principal Investigator, “The Australia-Antarctica divorce: a natural laboratory for quantifying key controls on plate motions”, INACH RG_16_16, 2017-2019

  • Principal Investigator, “Active Tectonics and Volcanism at the Southern Andes (ACTIVO)”, FONDECYT 1151175, 2015-2018

  • Co-Investigator, “Volcanism on the Nazca Plate: plumes and plate tectonic processes”, FONDECYT 1141303, 2014-2017

PUBLICACIONES

  • Castillo, Rabbia y Tassara (2026). Deciphering the role of aseismic ridge subduction in the formation of Andean porphyry Cu systems during the Neogene through machine learning modeling. Geological Society of America Bulletin.

  • Moral, J.C. et al. (2026). Tectono-metamorphic events in the Paleozoic coastal metamorphic complexes of south-Central Chile: the Hualpén-Laraquete segment (36.5°–37.5°S). Journal of the Geological Society, 183(2).

  • Espinoza, M. et al. (2026). Plate motion drivers: Geodynamical framework and statistical appraisal for the case of the Neogene Nazca–South America convergence. Tectonophysics, 924, 231095.

  • Riedel-Hornig, M. et al. (2025). Seismicity catalogue of the entire Chilean margin (18 to 56°S) from an automated approach. Earth System Science Data, 18, 1–16.

  • Julve, J., Moreno, M., Barbot, S. y Tassara, A. (2025). Impact of upper-plate faulting on megathrust foreshocks: Insights from the 2014 Iquique earthquake. Geophysical Research Letters, 52, e2024GL111064.

  • Vigide, N., Olivar, J., Mescua, J., Basualto, D., Farías, C., Tassara, A. y García, S. (2025). A transpressive stress regime for the Laguna del Maule Volcanic Complex. Journal of South American Earth Sciences, 161, 105563.

  • Munchmeyer, J. et al. (2025). Seismic swarms unveil the mechanisms driving shallow slow slip dynamics in the Copiapó ridge, Northern Chile. Geophysical Research Letters, 52, e2024GL113953.

  • Crisosto, L. y Tassara, A. (2024). Relating megathrust seismogenic behavior and subduction parameters via Machine Learning at global scale. Geophysical Research Letters, 51, e2024GL110984.

  • Tassara, A., Soto, H., Bedford, J., Moreno, M., & Baez, J. C. (2016). Contrasting amount of fluids along the megathrust ruptured by the 2010 Maule earthquake as revealed by a combined analysis of aftershocks and afterslip. Tectonophysics,?671, 95-109

  • Echaurren, A., Folguera, A., Gianni, G., Orts, D., Tassara, A., Encinas, A., ... & Valencia, V. (2016). Tectonic evolution of the North Patagonian Andes (41°–44° S) through recognition of syntectonic strata.?Tectonophysics,?677, 99-114. 10.1016/j.tecto.2016.04.009

  • Mescua, J., L. Giambiagi, M. Barrionuevo, A. Tassara, D. Mardonez, M. Mazzitelli & A. Lossada (2016). Basement composition and basin geometry controls on upper- crustal deformation in the Southern Central Andes (30-36ºS). Geological Magazine, http://dx.doi.org/10.1017/S0016756816000364

  • Contreras, M., Tassara, A., Gerbault, M., Araya, R. & Bataille, K. (2016). Interseismic deformation at subduction zones investigated by 2D numerical modeling: case study before the 2010 Maule earthquake. Andean Geology, 43 (3): 247-262, doi: 10.5027/andgeoV43n3-a01

  • Wendt, A., Tassara, A., Baez, JC., Basualto, D., Lara, L. & García, F. (2017). Possible structural control on the 2011 eruption of Puyehue-Cordón Caulle Volcanic Complex (southern Chile) determined by InSAR, GPS and seismicity. Geophysical Journal International, 208, 134-147, doi: 10.1093/gji/ggw355

  • Catalan, N., Bataille, K., Tassara, A & Araya, R. (2017). Depth-dependent geometry of margin-parallel strike-slip faults within oblique subduction zones. Andean Geology 44 (1): 79-86, doi: 10.5027/andgeoV44n1-a05

  • Schilling, M. E., Carlson, R. W., Tassara, A., Conceição, R. V., Bertotto, G. W., Vásquez, M., & Morata, D. (2017). The origin of Patagonia revealed by Re-Os systematics of mantle xenoliths.?Precambrian Research,?294, 15-32

  • Cardona, C., Tassara, A., Gil-Cruz, F., Lara, L., Morales, S., Kohler, P., & Franco, L. (2018). Crustal seismicity associated to rapid surface uplift at Laguna del Maule Volcanic Complex, Southern Volcanic Zone of the Andes.?Journal of Volcanology and Geothermal Research, 353, 83-94

  • Eshagh, M., Steinberger, B., Tenzer, R., & Tassara, A. (2018). Comparison of gravimetric and mantle flow solutions for sub-lithopsheric stress modeling and their combination.?Geophysical Journal International,?213(2), 1013-1028

  • Maksymowicz, A and Tassara, A. (2018). The Geometry of the Continental Wedge and Its Relation to the Rheologyand Seismicity of the Chilean Interplate Boundary. In Evolution of the Chilean-Argentinean, Folguera et al. Eds., Springer Earth System Sciences, Spriger Press, Germany

  • Moreno, M., Li, S., Melnick, D., Bedford, J., Baez, JC., Motagh, M., Metzger, S., Vajedia, S., Sippl, M., Gutknecht, J., Contreras, E., Deng, Z., Tassara, A., Oncken, O. (2018). Chilean megathrust earthquake recurrence linked to frictional contrast at depth. Nature Geosciences, 11, 285-290

  • Pickler, C., Gurza, E. G., Beltrami, H., Mareschal, J. C., Suárez, F., Chacon-Oecklers, A., Blin, N., Cortes, M.T., Montenegro, A., Harris, R., Tassara, A. (2018). Recent climate variations in Chile: constraints from borehole temperature profiles. Climate of the Past, 14, 559-575. https://doi.org/10.5194/cp-14-559-2018

  • González-Vidal, D., Obermann, A., Tassara, A., Bataille, K., Lupi, M. (2018). Crustal model of the Southern Central Andes derived from ambient seismic T noise Rayleigh-wave tomography. Tectonophysics, 744, p. 215-226

  • Albert, F., Kukowski, N., Tassara, A., & Oncken, O. (2018). Material transfer and subduction channel segmentation at erosive continental margins: Insights from scaled analogue experiments.?Tectonophysics,?749, 46-61

  • Lara, L. E., Díaz-Naveas, J., Reyes, J., Jicha, B., Orozco, G., Tassara, A., & Kay, S. (2018). Unraveling short-lived rejuvenated volcanism and a rapid transition from shield stage at O’Higgins Guyot, Juan Fernández Ridge, Pacific SE.?Deep Sea Research Part I: Oceanographic Research Papers,?141, 33-42

  • Mora, D., Tassara, A. (2018). Upper crustal decompression due to deglaciation-induced flexural unbending and its role on postglacial volcanism at the Southern Andes. Geophysical Journal International, 216, 1549-1559

  • Peña, C., Heidbach, O., Moreno, M., Bedford, J., Zieger, M., Tassara, A., Oncken, O (2019). Role of Lower Crust in the Postseismic Deformation of the 2010 Maule Earthquake: Insights from a Model with Power-Law Rheology. Pure and Applied Geophysics, https://doi.org/10.1007/s00024-018-02090-3

  • Novoa, C., Remy, D., Gerbault, M., Baez, JC., Tassara, A., Cordova, L., Cardona, C., Granger, M., Bonvalot, S., Delgado, F. (2019). Viscoelastic relaxation: A mechanism to explain the decennial large surface displacements at the Laguna del Maule silicic volcanic complex. Earth and Planetary Science Letters, V521, p. 46-59, https://doi.org/10.1016/j.epsl.2019.06.005

  • Melnick, D., Hillemann, C., Jara? Muñoz, J., Garrett, E., Cortés?Aranda, J., Molina, D., et al. (2019). Hidden Holocene slip along the coastal El Yolki fault in Central Chile and its possible link with megathrust earthquakes. Journal of Geophysical Research: Solid Earth, 124. https://doi.org/10.1029/ 2018JB017188

  • Lupi, M., Trippanera, D., Gonzalez, D; D´Amico, S., Acocella, V., Cabello, C., Muelle-Stef, M., Tassara, A. (2020). Transient tectonic regimes imposed by megathrust earthquakes and the growth of NW-trending volcanic systems in the Southern Andes. Tectonophysics, 774, 228204, https://doi.org/10.1016/j.tecto.2019.228204

  • Peña, C., Heidbach, O., Moreno, M., Bedford, J., Ziegler, M., Tassara, A., Oncken, O. (2020). Impact of power-law rheology on the viscoelastic relaxation pattern and afterslip distribution following the 2010 Mw 8.8 Maule earthquake.?Earth and Planetary Science Letters,?542, 116292

  • Peterson, D., Garibaldi, N., Keranen, K., Tikoff, B., Miller, C., Lara, L. E., Tassara, A., Thurber, C., Lanza, F. (2020). Active normal faulting, diking, and doming above the rapidly inflating Laguna del Maule volcanic field, Chile imaged with CHIRP, magnetic, and focal mechanism data.?Journal of Geophysical Research: Solid Earth, e2019JB019329

  • Astudillo-Sotomayor, L., Jara-Muñoz, J., Melnick, D., Cortés-Aranda, J., Tassara, A., and Strecker, M. R. (2021). Fast Holocene slip and localized strain along the Liquiñe-Ofqui strike-slip fault system, Chile.?Scientific reports,?11(1), 1-10

  • Stotz, I. L., Tassara, A., and Iaffaldano, G. (2021). Pressure?driven Poiseuille flow inherited from Mesozoic mantle circulation led to the Eocene separation of Australia and Antarctica.?Journal of Geophysical Research: Solid Earth,?126(4), e2020JB019945

  • Molina, D.,??Tassara, A.,??Abarca, R.,??Melnick, D., and??Madella, A.?(2021).??Frictional segmentation of the Chilean megathrust from a multivariate analysis of geophysical, geological, and geodetic data.?Journal of Geophysical Research: Solid Earth,??126, e2020JB020647.?https://doi.org/10.1029/2020JB020647

  • Marine Collignon, Carlo Cardellini, Sylvia Duprat, Øyvind Hammer, Giovanni Chiodini, Jean Vandermuelebrouck, Diego Gonzalez, Alberto Espinoza, Andrés Tassara, and Joel Ruch (2021). Carbon dioxide diffuse emission at the Tolhuaca hydrothermal system (Chile) controlled by tectonics and topography.?Journal of Volcanology and Geothermal Research, 107316. https://doi.org/10.1016/j.jvolgeores.2021.107316

  • Peña, C., Cabello, C., & Tassara, A. (2021). Dynamic and kinematic characterization of the basement structures of the Mocho-Choshuenco Volcanic Complex, Southern Andes, Chile.?Journal of South American Earth Sciences, 103435. https://doi.org/10.1016/j.jsames.2021.103435