Andrés TassaraProfesor Titular (41) 2204738
GRADOS ACADÉMICOSGeólogo (Universidad de Chile, Chile)
Magister en Ciencias, Mención Geología (Universidad de Chile, Chile)
Doctorado en Ciencias Naturales, Mención Geofísica (Universidad Libre de Berlín, Alemania)
ESPECIALIZACIÓN Propagación de ondas, Scattering, Estructura del interior de la Tierra. INTERESES Redes sísmicas, actividad sismotectónica, actividad sismovolcánica. ASIGNATURAS PREGRADO Geofísica, Sismotectónica, Geodinámica, Sismología Observacional.

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


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,

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.

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,

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,

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. 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,

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.?

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.

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.

Departamento Ciencias de la Tierra