Seismicity and geometry of the south Chilean subduction zone (41.5°S-43.5°S): Implications for controlling parameters

Geophysical Research Letters

Volumn 34, Issue 6, 2007, Pages

  Lange, Dietrich ^a   Rietbrock, A ^b   Haberland, C ^a   Bataille, K ^c   Dahm, Torsten ^d   Tilmann, F ^e   Fluh E R ^f  

^a UNIVERSITY OF POTSDAM   (Germany)

^b UNIVERSITY OF LIVERPOOL   (United Kingdom)

^c UNIVERSITY OF CONCEPCIÓN   (Chile)

^d UNIVERSITY OF HAMBURG   (Germany)

^e UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^f GEOMAR HELMHOLTZ CENTRE FOR OCEAN RESEARCH KIEL   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

SEISMOLOGY; STRUCTURAL GEOLOGY; VOLCANOES;

FAULT ZONE; HYPOCENTRAL COORDINATES; OCEANIC PLATE; SEISMIC ACTIVITY; SUBDUCTION ANGLE;

TECTONICS;

ARRIVAL TIME; P-WAVE; S-WAVE; SEISMICITY; SEISMOTECTONICS; SUBDUCTION ZONE;

CHILE; SOUTH AMERICA;

EID: 34249887427     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006GL029190     Document Type: Article

References (26)

1. Angermann, D., J. Klotz, and C. Reigber (1999), Space-geodetic estimation of the Nazca-South America Euler vector, Earth Planet. Sci. Lett., 171(3), 329-334.
2. Barrientos, S. E., and S. N. Ward (1990), The 1960 Chile earthquake: Inversion for slip distribution from surface deformation, Geophys. J. Int., 103, 589-598.
3. Bilek, S. L., and T. Lay (2002), Tsunami earthquakes possibly widespread manifestations of frictional conditional stability, Geophys. Res. Lett., 29(14), 1673, doi:10.1029/2002GL015215.
4. Bohm, M., S. Lüth, H. Echtler, G. Asch, K. Bataille, C. Bruhn, A. Rietbrock, and P. Wigger (2002), The Southern Andes between 36° and 40°S latitude: Seismicity and average seismic velocities, Tectonophysics, 356, 275-289.
5. Campos, J., et al. (2002), A seismological study of the 1835 seismic gap in south-central Chile, Phys. Earth Planet. Inter., 132, 177-195.
6. Cembrano, J., A. Lavenu, P. Reynolds, G. Arancibia, G. López, and A. Sanhueza (2002), Late Cenozoic transpressional ductile deformation north of the Nazca - South America - Antarctica triple junction, Tectonophysics, 354, 289-314.
7. Cifuentes, I. L. (1989), Tbe 1960 Chilean earthquakes, J. Geophys. Res., 94(B1), 665-680.
8. Cisternas, M., et al. (2005), Predecessors of the giant 1960 Chile earthquake, Nature, 437(15), 404-407, doi:10.1038/nature03943.
9. Comte, D., L. Dorbath, M. Pardo, T. Monfret, H. Haessler, L. Rivera, M. Frogneux, B. Glass, and C. Meneses (1999), A double-layered seismic zone in Arica, northern Chile, Geophys. Res. Lett., 26(13), 1965-1968.
10. Comte, D., H. Haessler, L. Dorbath, M. Pardo, T. Monfret, A. Lavenu, B. Pontoise, and Y. Hello (2002), Seismicity and stress distribution in the Copiapo, northern Chile subduction zone using combined on- and offshore seismic observations, Phys. Earth Planet. Inter., 132, 197-217.
11. Delouis, B., A. Cistemas, L. Dorbath, L. Rivera, and E. Kausel (1996), The Andean subduction zone between 22 and 25°S (northern Chile): Precise geometry and state of stress, Tectonophysics, 259, 81-100.
12. Haberland, C., A. Rietbrock, D. Lange, K. Bataille, and S. Hofmann (2006), Interaction between forearc and oceanic plate at the south-central Chilean margin as seen in local seismic data, Geophys. Res. Lett., 33, L23302, doi:10.1029/2006GL028189.
13. Hacker, B. R., S. M. Peacock, G. A. Abers, and S. D. Holloway (2003), Subduction factory: 2. Are intermediate-depth earthquakes in subducting slabs linked to metamorphic dehydration reactions?, J. Geophys. Res., 108](B1), 2030, doi:10.1029/2001JB001129.
14. Hsu, Y.-J., M. Simons, J.-P. Avouac, J. Galetzka, K. Sieh, M. Chlieh, D. Natawidjaja, L. Prawirodirdjo, and Y. Bock (2006), Frictional afterslip following the 2005 Nias-Simeulue earthquake, Sumatra, Science, 312(5782), 1921-1926, doi:10.1126/science.1126960.
15. Husen, S., E. Kissling, E. Flueh, and G. Asch (1999), Accurate hypocentre determination in the seismogenic zone of the subducting Nazca Plate in northern Chile using a combined on-/offshore network, Geophys. J. Int., 138(3), 687-701.
16. Kissling, E., W. L. Ellsworth, D. Eberhart-Phillips, and U. Kradolfer (1994), Initial reference models in local earthquake tomography, J. Geophys. Res., 99(B10), 19,635-19,646.
17. Müller, R. D., W. R. Roest, J.-Y. Royer, L. M. Gahagan, and J. G. Sclater (1997), Digital isochrons of the world's ocean floor, J. Geophys. Res., 102(B2), 3211-3214.
18. Pardo, M., D. Comte, and T. Monfret (2002), Seismotectonic and stress distribution in the central Chile subduction zone, J. S. Am. Earth Sci., 15(1), 11-22.
19. Plafker, G., and J. C. Savage (1970), Mechanism of the Chilean earthquakes of May 21 and 22, 1960, Geol. Soc. Am. Bull., 81, 1001-1030.
20. Reasenberg, P. A., and D. Oppenheimer (1985), Fpfit, fpplot, and fppage: FORTRAN computer programs for calculating and displaying earthquake fault-plane solutions, U.S. Geol. Surv. Open File Rep. 85-739.
21. Rietbrock, A., and F. Waldhauser (2004), A narrowly spaced double-seismic zone in the subducting Nazca plate, Geophys. Res. Lett., 31, L10608, doi:10.1029/2004GL019610.
22. Rietbrock, A., F. Scherbaum, and S. Malone (1998), The GIANT analysis system (graphical interactive aftershock network toolbox), Seismol. Res. Lett., 69(1), 40-45.
23. Scholz, C. H. (1998), Earthquakes and friction laws, Nature, 391, 37-42.
24. Smith, W. H. F., and D. T. Sandwell (1997), Global sea floor topography from satellite altimetry and ship depth soundings, Science, 277(5334), 1956-1962, doi:10.1126/science.277.5334.1956.
25. Suarez, G., and D. Comte (1993), Comment on "Seismic coupling along the Chilean Subduction Zone" by B. W. Tichelaar and L. R. Ruff, J. Geophys. Res., 98(B9), 15,825-15,828.
26. Thomson, S. N. (2002), Late Cenozoic geomorphic and tectonic evolution of the Patagonian Andes between latitudes 42°S and 46°S: An appraisal based on fission-track results from the transpressional intra-arc Liquiñe-Ofqui fault zone, Geol. Soc. Am. Bull., 114(9), 1159-1173.