Seismological study of the central Ecuadorian margin: Evidence of upper plate deformation

Journal of South American Earth Sciences

Volumn 31, Issue 1, 2011, Pages 139-152

  Bethoux, Nicole ^a   Segovia, Monica ^b   Alvarez, Viviana ^a,b   Collot, Jean Yves ^a   Charvis, Philippe ^a   Gailler, Audrey ^a   Monfret, Tony ^a  

^a UNIVERSITÉ CÔTE D'AZUR   (France)

^b ESCUELA POLITÉCNICA NACIONAL   (Ecuador)

Author keywords

Deformation; Ecuadorian margin; North Andean block; Seismicity

Indexed keywords

CONVERGENT MARGIN; CRUSTAL DEFORMATION; FOCAL MECHANISM; OCEAN BOTTOM SEISMOMETER; PLATE TECTONICS; SEISMOLOGY; SEISMOTECTONICS; STRESS FIELD; STRIKE-SLIP FAULT; SUBMARINE RIDGE;

CARNEGIE RIDGE; ECUADOR; PACIFIC OCEAN;

EID: 78651520132     PISSN: 08959811     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jsames.2010.08.001     Document Type: Article

References (59)

1. Beck S.L., Ruff L.J. The rupture process of the great 1979 Columbia earthquake: evidence for the asperity model. Journal of Geophysical Research 1984, 89:9281-9291.
2. Benítez S. Evolution géodynamique de la province côtière sud-équatorienne au Crétacé supérieur-Tertiaire 1995, Université Joseph Fourier (Grenoble I), Grenoble, France, pp. 208.
3. Bertil D., Bethoux N., Campillo M., Massinon B. Modeling crustal phases in southeast France for focal depth determination. Earth and Planetary Science Letters 1989, 95:341-358.
4. Béthoux N., Sue C., Paul A., Virieux J., Cattaneo M., Fréchet J., Thouvenot F. Local tomography and focal mechanisms in southwestern Alps: comparison of methods and tectonic implications. Tectonophysics 2007, 432:1-19.
5. Bouchon M., Aki K. Discrete wave-number representation of seismic-source wave fields. Bulletin of the Seismological Society of America 1977, 67(2):259-277.
6. Collot J.-Y., Marcaillou B., Sage F., Michaud F., Agudelo W., Charvis P., Graindorge D., Gutscher M.A., Spence G. Are rupture zones limits of great earthquakes controlled by upper plate structures? Evidence from multichannel seismic reflection data acquired across the northern Ecuador-Southwest Colombia margin. Journal of Geophysical Research 2004, 109:B11103. 10.1029/2004JB003060.
7. Collot Y., Charvis P., Gutscher M.-A., Operto S. Exploring the Ecuador-Colombia active margin and interplate seismogenic zone. EOS Transactions, American Geophysical Union 2002, 83(no 17). 185, 189, 190.
8. Corredor F. Seismic strain rates, distributed continental deformation, and three-dimensional seismotectonics of northwestern South America. Tectonophysics 2003, 372:147-166.
9. Coutant O. AXITRA Program: Expression of the Green's Functions in Cylindrical Coordinate Used with a Reflectivity Method 1994, LGIT IRIGM, Grenoble, France.
10. Daly M.C. Correlations between Nazca/Farallon plate kinematics and forearc basin evolution in Ecuador. Tectonics 1989, 8(4):769-790.
11. Deniaud, Y., 2000. Enregistrement sédimentaire et structural de l'évolution géodynamique des Andes équatoriennes au cours du Néogène: étude des bassins d'avant-arc et bilans de masse. Université Joseph Fourier (Grenoble I), Grenoble, France, pp. 242, PHD.
12. Dumont J.F., Santana E., Vilema W., Pedoja K., Ordonez M., Cruz M., Jiménez N., Zambrano I. Morphological and microtectonic analysis of Quaternary deformation from Puna and Santa Clara Islands, Gulf of Guayaquil, Ecuador (South America). Tectonophysics 2005, 339:331-350.
13. Ego F., Sebrier M., Lavenu A., Yepes H., Egüez A. Quaternary state of stress in the northern Andes and the restraining bend model for the Ecuadorian Andes. Tectonophysics 1996, 259:101-116.
14. Egüez A., Alvarado A., Yepes H. Mapa de Fallas Activas y Pliegues Cuaternarios de Ecuador y Regiones Oceánicas adyacentes 2003, http://pubs.usgs.gov/of/2003/ofr-03-289/.
15. Gailler, A. 2005. Structure de la marge d'Equateur-Colombie par modélisation des données de sismique grand-angle marines. Université de Nice-Sophia Antipolis, Nice, France, 257 p, PHD.
16. Gailler A., Charvis P., Fluh E. Segmentation of the Nazca and South American plates along the Ecuador subduction zone from wide angle seismic profiles. Earth and Planetary Science Letters 2007, 260:444-464.
17. Ghose S., Hamburger M., Virieux J. Three dimensional velocity structure and earthquake locations beneath the northern Tien Shan of Kyrgyzstan, central Asia. Journal of Geophysical Research 1998, B2(103):2725-2748.
18. Graindorge D., Collahorrano A., Charvis Ph., Collot J.Y., Bethoux N. Deep structure of the Ecuador convergent margin and the Carnegie Ridge, possible consequence on great earthquakes recurrence interval. Geophysical Research Letters 2004, 31:L04603.
19. Guillier B., et al. Seismological evidence on the geometry of the orogenic system in central northern Ecuador (South America). Geophysical Research Letters 2001, 28(19):3749-3752.
20. Handshumacher D.W. Post-Eocene plate tectonics of eastern Pacific. " The Geophysics of Pacific Ocean Basin and Its Margin", (Wollard Volume) 1976, vol. 19:177-202. Am. Geophys. Un. Geophys. Monograph. G.H. Sutton, M.H. Manghnani, R. Moberby (Eds.).
21. Haslinger F., Kissling E. Investigating effects of 3-D ray tracing methods in local earthquake tomography. Physics of the Earth and Planetary Interiors 2001, 123(2-4):103-114.
22. Herron E.M. Sea floor spreading and the Cenozoic history of the east-central Pacific. Geological Society of America Bulletin 1972, 83:1671-1692.
23. Hey R. Tectonic evolution of the Cocos-Nazca spreading center. Geological Society of America Bulletin 1977, 88(No. 10):1404-1420.
24. Jaillard E., Benitez S., Mascle G.H. Les déformations paléogènes de la zone d'avant-arc sud-équatorienne en relation avec l'évolution géodynamique 1997, vol. 168. Bull. Soc. Géol, France, (4): pp. 403-412.
25. Kanamori H., MacNally K.C. Variable rupture mode of the subduction zone along the Ecuador-Colombia coast. Bulletin of the Seismological Society of America 1982, 72(4):1241-1253.
26. Kellog J.N., Bonini W.E. Subduction of the Carribean plate and basement uplifts in the overriding South-American plate. Tectonics 1982, 1:251-276.
27. Lahr J.C. Hypoellipse: A Computer Program for Determining Local Earthquakes Hypocentral Parameters, Magnitude, and First-Motion Pattern 1999, USGS-Denver Federal Center, Denver, USA.
28. Legrand D., Baby P., Bondoux F., Dorbath C., Bès de Berc S., Rivadeneira M. The 1999-2000 seismic experiment of Macas swarm (Ecuador) in relation with rift inversion in Subandean foothills. Tectonophysics 2005, 395:67-80.
29. Longsdale P., Klitford K.D. Structure and tectonic history of the esatern Panama Basin. Geological Society of America Bulletin 1978, 89:981-999.
30. Mammerickx J., Herron E., Dorman L. Evidence for two fossil spreading ridges in the southeast Pacific. Geological Society of America Bulletin 1980, 1(91):263-271.
31. Mann P., Burke K. Neotectonics of the Carribean. Reviews of Geophysics and Space Physics 1984, 22:309-362.
32. Mann P., Corrigan J. Model of late deformation in Panama. Geology 1990, 18:558-562.
33. Mendoza C., Dewey J.W. Seismicity associated with the great Columbia-Ecuador earthquakes of 1942, 1958 and 1979: implications for barrie models of earthquake rupture. Bulletin of the Seismological Society of America 1984, 74:577-593.
34. Minster J.B., Jordan T.H. Present-day plate motions. Journal of Geophysical Research 1978, 83:5331-5354.
35. Nabelek, J., 1984. Determination of source parameters from inversion of body waves. Mass. Inst. of Technol., Cambridge, PhD. thesis.
36. Nocquet J.M., Mothes P., Alvarado A. Geodesia, geodinámica y ciclo sísmico en Ecuador in Geología y Geofísica Marina y Terrestre del Ecuador 2010, Spec. Pub, INOCAR-IRD, pp. 83-95.
37. Pedoja K., Dumont J.F., Lamth M.L.O., Ortlieb L., Collot J.Y., Ghaleb B., Auclair M., Alvarez V., Labrousse B. Plioquaternary uplift of the Manta peninsula and La Plata Island and the subduction of the Carnegie Ridge, central coast of Ecuador. Journal of South America Earth Sciences 2006, 22:1-21.
38. Pennington W.D. Subduction of the eastern Panama Basin and the seismotectonics of northwestern South America. Journal of Geophysical Research 1981, 86:10753-10770.
39. Pontoise B., Monfret T. Shallow seismogenic zone detected from an offshore-onshore temporary seismic network in the Esmeraldas area (northern Ecuador). Geochemistry, Geophysics, Geosystems 2004, 5:22.
40. Reasenberg P., Oppenheimer D. FPFIT, FPPLOT and FPPAGE: Fortran computer programs for calculating and displaying earthquake fault-plane solutions. United States Geological Survey 1985, 85-739. Open-File Rep.
41. Reyes P., Dauteuil O., Michaud F. Relative Quantification of Coastal Cordillera (Ecuador) Uplift: Preliminary Results from Quantitative Geomorphology May 2010, abstract, EGU, Vienna.
42. Reyes P. Quantification relative du soulevement de la Cordillère cotière (Equateur) à partir de la géomorphologie sur MNT 2008, Mem. Master2, DSGA, univ. Nice, pp. 55.
43. Sage F., Collot J.Y., Ranero C.R. Interplate patchiness and subduction-erosion mechanisms. Evidence from depth-migrated seismic images at the central Ecuador convergent margin. Geology 2006, 34(12):997-1000.
44. Sallares V., Charvis P. Crustal thickness constraints on the geodynamic evolution of the Galapagos volcanic province. Earth and Planetary Science Letters 2003, 214:545-559.
45. Sallares V., Charvis P., Flueh E.R., Bialas J. Seismic structure of the Carnegie Ridge and the nature of the Galapagos hotspot. Geophysical Journal International 2005, 161:763-788.
46. Segovia M., Alvarado A. Breve análisis de la sismicidad en el Ecuador in Geología y Geofísica Marina y Terrestre del Ecuador 2010, Spec. Pub, INOCAR-IRD, pp. 131-150.
47. Segovia, M., 2001. El sismo de Bahía del 4 de Agosto de 1998: Caracterización del mecanismo de ruptura y análisis de la sismicidad en la zona costera, Tesis Ing. Geol., Escuela Politécnica Nacional, Quito, Ecuador.
48. Soulas J.P., Eguez A., Yepes H., Perez H. Tectonica Activa y riesco sismico en los Andes Ecuadirianos y en extemo sur de Colombia. Boletin Geologica Ecuatoriano 1991, 11:3-9.
49. The US National Earthquake Information Center (NEIC).National Earthquake Information Center (USGS) http://www.neic.usgs.gov.
50. Tibaldi A., Rovida A., Corazzato C. Late Quaternary kinematics, slip rate and segmentation of a major Cordillera-parallel transcurrent fault; the Cayambe-Afiladores-Sibundoy system, NW South America. Journal of Structural Geology 2007, 29(4):664-680.
51. Toussant J.F., Restrepo J.J. Limites de placas y acortamientos recientes entre los paralelos 5°N y 8°N, Andes Colombianos. Revista Geologica de Chile 1987, 31:95-100.
52. Trenkamp R., Kellogg J.N., Freymueller J.T., Mora H. Wide plate margin deformation, southern Central America and northwestern South America, CASA GPS observations. Journal of South America Earth Sciences 2002, 15:157-171.
53. Vaca S., Regnier M., Bethoux N., Alvarez V., Pontoise B. Sismicidad de la región de Manta (Ecuador): enjambre sísmico de Manta-2005 in Geología y Geofísica Marina y Terrestre del Ecuador 2010, Spec. Pub, INOCAR-IRD, pp. 151-166.
54. Virieux J., Farra V., Madariaga R. Ray tracing in laterally heterogeneous media for earthquake location. Journal of Geophysical Research 1988, 93:6585-6599.
55. Waldhauser F., Ellsworth W.L. Fault structures and mechanics of the Hayward fault, California from double-difference earthquake locations. Journal of Geophysical Research 2002, 107. ESE 3-1-3-15.
56. Winter T., Avouac J.P., Lavenu A. Late Quaternary kinematics of the Pallatanga strike-slip fault (Central Ecuador) from topographic measurements of displaced morphologic features. Geophysical Journal International 1993, 115:905-920.
57. Witt C., Bourgois J., Michaud F., Ordonez M., Jimenez N., Sosson M. Development of the gulf of Guyaquil (Ecuador) during the Quaternary as an effect of the North Andean block tectonic escape. Tectonics 2006, 10.1029/2004TC001723.
58. Wortel R., Cloetingh S. On the origin of the Cocos-Nazca spreading center. Geology 1981, 9:425-430.
59. Wortel R. Spatial and temporal variations in the Andean subduction zone. Journal of the Geological Society 1984, 141:783-791.