1. Surface wave tomography in Northwestern South America
Juan Carlos Bermúdez Barrios (M. Sc. Student)
Maria Cristina Dimaté Castellanos (Thesis Director)

2. (A. Taboada, L. Rivera, et al., Tectonics, 2000)
Tectonic context
Northwestern South America: convergence zone between Nazca, Caribbean plates, Chocó-Panamá Block and South American Plates.
Broad deformation zone in the Colombian Andes
(A. Taboada, L. Rivera, et al., Tectonics, 2000)

3. Problems to solve
Plate boundaries: Caribbean plate southern boundary in Colombia ?
Taboada et al., 2000
In Audemar et al., 1999

4. Nazca and Caribbean geometry
Corredor, 2000)

5. (A. Taboada, L. Rivera, et al., Tectonics, 2000)
... and Panamá Block
(A. Taboada, L. Rivera, et al., Tectonics, 2000)

6. Lateral variations in velocity corresponding to large tectonic provinces: Panamá block, Andean Block.
Moho depth

7. Data Stations Map Red triangles: IRIS stations
Blue triangles: RSNC stations

8. Events similar to ...
Miller et al., 2009

9. Questions Range of station-event distances
Range of surface wave periods
Preprocessing of waveforms