New insights into the mechanism of postseismic stress relaxation exemplified by the 23 June 2001 Mw = 8.4 earthquake in southern Peru

Geophysical Research Letters

Volumn 33, Issue 2, 2006, Pages

  Hergert, Tobias ^a   Heidbach, Oliver ^a  

^a UNIVERSITY OF KARLSRUHE   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EARTHQUAKE EFFECTS; EARTHQUAKES; FINITE ELEMENT METHOD; GLOBAL POSITIONING SYSTEM; MATHEMATICAL MODELS; RHEOLOGY; STRESS RELAXATION; VISCOELASTICITY;

COSEISMIC DISPLACEMENT; POSTSEISMIC STRESS RELAXATION; TENSIONAL ELASTIC STRESSES; VISCOELASTIC MAXWELL RHEOLOGY;

SEISMOLOGY;

EARTHQUAKE; POSTSEISMIC PROCESS; STRESS CHANGE;

PERU; SOUTH AMERICA;

EID: 33644767307     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2005GL024858     Document Type: Article

References (24)

1. Beck, S., and G. Zandt (2002), The nature of orogenic crust in the central Andes, J. Geophys. Res., 107(B10), 2230, doi:10.1029/ 2000JB000124.
2. Dixon, T. H., E. Norabuena, and L. Hotaling (2003), Paleoseismology and GPS: Earthquake-cycle effects and geodetic versus geologic fault slip rates in the Eastern California shear zone, Geology, 31(1), 55-58.
3. Hu, Y., K. Wang, J. He, J. Klotz, and G. Khazaradze (2004), Three-dimensional viscoelastic finite element model for postseismic deformation of the great 1960 Chile earthquake, J. Geophys. Res., 109, B12403, doi:10.1029/2004JB003163.
4. James, D. E. (1971), Andean crustal and upper mantle structure, J. Geophys. Res., 76(14), 3246-3271.
5. Kaniuth, K., H. Müller, and W. Seemüller (2002), Displacement of the space geodetic observatory Arequipa due to recent earthquakes, Z. Vermessungswesen, 127(4), 238-243.
6. Karato, S., and P. Wu (1993), Rheology of the upper mantle: A synthesis, Science, 260, 771-778.
7. Kikuchi, M., and Y. Yamanaka (2001), Earthquake Information Center seismological note 105, report, Earthquake Res. Inst., Univ. of Tokyo, Tokyo.
8. Kirby, S. H., and A. K. Kronenberg (1987), Rheology of the lithosphere: Selected topics, Rev. Geophys., 25, 1219-1244.
9. Márquez-Azúa, B., C. DeMets, and T. Masterlark (2002), Strong interseismic coupling, fault afterslip, and viscoelastic flow before and after the Oct. 9, 1995 Colima-Jalisco earthquake: Continuous GPS measurements from Colima, Mexico, Geophys. Res. Lett., 29(8), 1281, doi:10.1029/2002GL014702.
10. w = 8.4 Peru earthquake sequence from continuous GPS, Geophys. Res. Lett., 29(21), 2032, doi:10.1029 /2002GL015533.
11. Melbourne, T. I., F. H. Webb, J. M. Stock, and C. Reigber (2002), Rapid postseismic transients in subduction zones from continuous GPS, J. Geophys. Res., 107(B10), 2241, doi:10.1029/2001JB000555.
12. Miyazaki, S., J. McGuire, and P. Segall (2003), A transient subduction zone slip episode in southwest Japan observed by the nationwide GPS array, J. Geophys. Res., 108(B2), 2087, doi:10.1029/2001JB000456.
13. Montési, L. G. J. (2004), Controls of shear zone rheology and tectonic loading on postseismic creep, J. Geophys. Res., 109, B10404, doi:10.1029/2003JB002925.
14. Peltzer, G., P. Rosen, F. Rogez, and K. Hudnut (1998), Poroelastic rebound along the Landers 1992 earthquake surface rupture, J. Geophys. Res., 103(B12), 30,131-30,145.
15. w = 8.4 Peru earthquake: Implications for the mechanics of the earthquake cycle along subduction zones, J. Geophys. Res., 110, B09404, doi:10.1029/ 2004JB003522.
16. Pollitz, F. F. (2003), Transient rheology of the uppermost mantle beneath the Mojave Desert, California, Earth Planet. Sci. Lett., 215, 89-104.
17. Ranalli, G. (1995), Rheology of the Earth, CRC Press, Boca Raton, Fla.
18. w 8.4 Southern Peru Earthquake of 23 June 2001 from continuous GPS measurements, Seismol. Res. Lett., 72(6), 673-678.
19. Seemüller, W., K. Kaniuth, and H. Drewes (2002), Velocity estimates of IGS RNAAC SIRGAS stations, in Vertical Reference Systems, IAG Symp., vol. 124, edited by H. Drewes et al., pp. 7-10, Springer, New York.
20. Springer, M. (1999), Interpretation of heat-flow density in the central Andes, Tectonophysics, 306(3), 377-395.
21. Tichelaar, B. W., and L. J. Ruff (1991), Seismic coupling along the Chilean subduction zone, J. Geophys. Res., 96(B7), 11,997-12,022.
22. Ueda, H., M. Ohtake, and H. Sato (2001), Afterslip on the plate interface following the 1978 Miyagi-Oki, Japan, earthquake, as revealed from geodetic measurement data, Tectonophysics, 338, 45-57.
23. Wernicke, B., A. M. Friederich, N. A. Nièmi, R. A. Bennett, and J. L. Davis (2000), Dynamics of plate boundary fault systems from Basin and Range Geodetic Network (BARGEN) and Geologic Data, GSA Today, 10(11), 1-7.
24. Yuan, X., S. V. Sobolev, and R. Kind (2002), Moho topography in the central Andes and its geodynamic implications, Earth Planet. Sci. Lett., 199, 389-402.