Summary
SAM5_P_2019 uses relative arrival time residuals from 2,084 earthquakes recorded at 1,113 seismic stations from 42 temporary and permanent seismic networks across South America. Residuals are measured in four frequency bands and are inverted in a finite-frequency tomographic inversion.
Quicklinks
Description
| Name | SAM5_P_2019 |
| Title | Regional finite-frequency teleseismic P-wave tomography model for South America. |
| Type | 3-D Tomography Earth Model |
| Sub Type | Relative P-wave velocity (%dVp) |
| Year | 2019 |
| Short Description | This model uses relative arrival time residuals from 2,084 earthquakes recorded at 1,113 seismic stations from 42 temporary and permanent seismic networks across South America. Residuals are measured in four frequency bands and are inverted in a finite-frequency tomographic inversion. |
| Authors: | |
| Daniel Evan Portner, Earth and Planets Laboratory, Carnegie Institution for Science, Washington, DC | |
| Emily E. Rodriguez, Department of Geosciences, University of Arizona, Tucson, AZ | |
| Susan Beck, Department of Geosciences, University of Arizona, Tucson, AZ; George Zandt, Department of Geosciences, University of Arizona, Tucson, AZ | |
| Alissa Scire, IRIS PASSCAL Instrument Center, New Mexico Institute of Mining and Technology, Socorro, NM | |
| Marcelo P. Rocha, Instituto de Geosciencias, Universidade de Brasilia, Brasilia, Brazil | |
| Marcelo B. Bianchi, Centro de Sismologia, Universidade de Sao Paulo, Sao Paulo, Brazil | |
| Mario Ruiz, Instituto Geofisico, Escuela Politecnica Nacional, Quito, Ecuador | |
| George Sand Franca, Instituto de Geosciencias, Universidade de Brasilia, Brasilia, Brazil | |
| Cristobal Condori, Instituto de Geosciencias, Universidade de Brasilia, Brasilia, Brazil | |
| Patricia Alvarado, Consejo Nacional de Investigaciones Cientificas y Tecnicas, Universidad Nacional de San Juan, San Juan, Argentina | |
| Previous Model | SAM4_P_2017 |
| Reference Model | iasp91 |
| Model Download | SAM5-P-2019.nc (see metadata ), is the netCDF file for the model as a function of depth |
| Model Homepage | |
| Depth Coverage | 60 to 1,450 km (best resolution 100-1,300 km depth) |
| Area | South America ( -70.0° to 26° latitude and -120.0° to -4.0° longitude) |
| Data Set Description | This model uses relative arrival time residuals from 2,084 earthquakes recorded at 1,113 seismic stations from 42 temporary and permanent seismic networks across South America. Most of the raw waveforms are publicly available at the IRIS, GFZ, USP, and RSBR seismic data repositories. |
Citations and DOIs
To cite the original work behind this Earth model:
- Portner, D. E., Rodríguez, E. E., Beck, S., Zandt, G., Scire, A., Rocha, M. P., et al. ( 2020). Detailed structure of the subducted Nazca slab into the lower mantle derived from continent‐scale teleseismic P wave tomography. Journal of Geophysical Research: Solid Earth, 125, e2019JB017884. https://doi.org/
https://doi.org/10.1029/2019JB017884
To cite IRIS DMC Data Products effort:
- Trabant, C., A. R. Hutko, M. Bahavar, R. Karstens, T. Ahern, and R. Aster (2012), Data Products at the IRIS DMC: Stepping Stones for Research and Other Applications, Seismological Research Letters, 83(5), 846–854, https://doi.org/10.1785/0220120032.
DOI for this EMC webpage: https://doi.org/10.17611/dp/emc.2020.sam5p20191
Credits
Model provided by Daniel Evan Portner
Timeline
- 2020-05-19
- online
