Absence of strain accumulation in the western Shumagin segment of the Alaska subduction zone

Geophysical Research Letters

Volumn 26, Issue 21, 1999, Pages 3233-3236

  Freymueller, Jeffrey T ^a   Beavan, John ^b  

^a UNIVERSITY OF ALASKA FAIRBANKS   (United States)

^b GNS SCIENCE   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

EARTHQUAKES; GLOBAL POSITIONING SYSTEM; INTERFACES (MATERIALS); MATHEMATICAL MODELS; STRAIN; TECTONICS; VISCOELASTICITY; GEOPHYSICS;

STRAIN ACCUMULATION; SUBDUCTION ZONE;

SEISMOLOGY; LOCKS (FASTENERS);

GPS; PLATE MOTION; STRAIN; SUBDUCTION ZONE;

UNITED STATES;

ELASTIC DISLOCATION MODELS; GPS MEASUREMENTS; PLATE CONVERGENCE; PLATE INTERFACES; STRAIN ACCUMULATIONS; SUBDUCTION ZONES; TEMPORAL VARIABILITY; VISCOELASTIC EFFECTS;

EID: 0033226315     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999GL008356     Document Type: Article

References (22)

1. Árnadóttir, T., S. Thornley, F. F. Pollitz, and D. J. Darby, Spatial and temporal strain rate variations at the northern Hikurangi margin, New Zealand, J. Geophys. Res., 104, 4931-4944, 1999.
2. Beavan, J., Crustal deformation measurements in the Shumagin seismic gap, Alaska, U. S. Geol. Surv. Open-File Rep. 94-176, 195-205, 1994.
3. Boucher, C., Z. Altamimi, M. Feissel, and L. Duhem, Results and analysis of the ITRF94, IERS Tech. Note 20, IERS Cent. Bur., Obs. de Paris, 1996.
4. Boyd, T. and A. Lerner-Lam, Spatial distribution of turn-of-the-century seismicity along the Alaska-Aleutian arc, Bull. Seis. Soc. Am., 78, 636-650, 1988.
5. Davies, J., L. Sykes, L. House, and K. Jacob, Shumagin seismic gap, Alaska Peninsula: History of great earthquakes, tectonic setting, and evidence for high seismic potential, J. Geophys. Res., 86, 3821-3856, 1981.
6. DeMets, C., R. G. Gordon, D. F. Argus, and S. Stein, Effects of recent revisions to the geomagnetic reversal time scale on estimates of current plate motions, Geophys. Res. Lett., 21, 2191-2194, 1994.
7. Estabrook, C. H. and T. M. Boyd, The Shumagin Islands, Alaska, earthquake of 31 May 1917, Bull. Seismol. Soc. Am., 82, 755-773, 1992.
8. Freymueller, J. T., M. H. Murray, P. Segall, and D. Castillo, Kinematics of the Pacific-North America plate boundary zone, Northern California, J. Geophys. Res., 104, 7419-7441, 1999.
9. Hauksson, E., Structure of the Benioff zone beneath the Shumagin Islands, Alaska: Relocation of local earthquakes using three-dimensional ray tracing, J. Geophys. Res., 90, 635-649, 1985.
10. Hudnut, K. W., and J. J. Taber, Transition from double to single Wadati-Benioff seismic zone in the Shumagin Islands, Alaska, Geophys. Res. Lett., 14, 143-146, 1987.
11. Jacob, K. H., Estimates of long-term probabilities for future great earthquakes in the Aleutians, Geophys. Res. Lett., 11, 295-298, 1984
12. Kawakatsu, H., and T. and Seno, Triple seismic zone and the regional variation of seismicity along the northern Honshu arc, J. Geophys. Res., 88, 4215-4230, 1983
13. Larson, K. M., and M. Lisowski, Strain accumulation in the Shumagin Islands: Results of initial GPS measurements, Geophys. Res. Lett., 21, 489-492, 1994.
14. Lisowski, M., J. C. Savage, W. H. Prescott, and W. K. Gross, Absence of strain accumulation in the Shumagin seismic gap, Alaska, 1980-1987, J. Geophys. Res., 93, 7909-7922, 1988.
15. McCann, W. R., S. P. Nishenko, L. R. Sykes and J. Krause, Seismic gaps and plate tectonics: seismic potential of major boundaries, Pure Appl. Geophys., 117, 1082-1147, 1979.
16. Oleskovich, D. A., R. D. Hyndman, and K. Wang, The up and downdip limits to great subduction earthquakes: Thermal and structural models of Cascadia, S. W. Japan, Alaska, and S. Chile, J. Geophys. Res., 104, 14,965-14,991, 1999.
17. Reyners, M., and K. Coles, Fine structure of the dipping seismic zone and subduction mechanics in the Shumagin Islands, Alaska, J. Geophys. Res., 87, 356-366, 1982.
18. Peterson, E. T., and T. Seno, Factors affecting seismic moment release rates in subduction zones, J. Geophys. Res., 89, 10,233-10,248, 1984.
19. Savage, J. C., A dislocation model of strain accumulation and release at a subduction zone, J. Geophys. Res., 88, 4984-4996, 1983.
20. Savage, J. C., and M. Lisowski, Strain accumulation in the Shumagin seismic gap, Alaska, J. Geophys. Res., 91, 7447-7454, 1986
21. Walcott, R. I., Geodetic strains and large earthquakes in the axial tectonic belt of North Island, New Zealand, J. Geophys. Res., 83, 4419-4429, 1978.
22. Zheng, G., R. Dmowska and J. R. Rice, Modeling earthquake cycles in the Shumagin subduction segment, Alaska, with seismic and geodetic constraints, J. Geophys. Res., 101:B4, 8383-8392, 1996.