Focal mechanism of earthquakes from the June 1987 swarm in Aswan, Egypt, calculated by the moment tensor inversion

Acta Geophysica Polonica

Volumn 53, Issue 3, 2005, Pages 275-291

  Awad, Hassoup ^a   Kwiatek, Grzegorz ^b  

^a NATIONAL RESEARCH INSTITUTE OF ASTRONOMY AND GEOPHYSICS   (Egypt)

^b INSTITUTE OF GEOPHYSICS   (Poland)

Author keywords

Earthquake swarm; Focal mechanism; Lake Aswan; Moment tensor inversion; Spectral ray tracer

Indexed keywords

ALGORITHMS; EARTHQUAKES; GEOLOGY; GLOBAL OPTIMIZATION; GREEN'S FUNCTION; LAKES; POLYNOMIALS; SPECTRUM ANALYSIS; TECTONICS; TENSORS; WATER LEVELS;

EARTHQUAKE SWARM; EGYPT; FOCAL MECHANISM; LAKE ASWAN; MOMENT TENSOR INVERSION; SPECTRAL RAY TRACER;

SEISMOLOGY;

EARTHQUAKE MECHANISM;

AFRICA; ASWAN [EGYPT]; EASTERN HEMISPHERE; EGYPT; NORTH AFRICA; WORLD;

EID: 23744504194     PISSN: 00015725     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (30)

1. Awad, H., 1994, Investigation of the tectonic setting, seismic activity and crustal deformation in Aswan seismic region, Egypt, Ph.D. Thesis, Tokyo University (unpublished).
2. Awad, H., 2002, Seismicity and water level variations in the Lake Aswan area in Egypt 1982-1997, J. Seism. 6, 459-467.
3. Awad, H., and M. Mizoue, 1995a, Earthquake activity in the Aswan region, Egypt, Pageoph 145, 1, 69-86.
4. Awad, H., and M. Mizoue, 1995b, Tomographic inversion for the three-dimensional structure of the Aswan region, Egypt, Pageoph 145, 1, 193-207.
5. Awad, H., P. Denton, P. Maguire and G. Hassib, 2003, Relocation of swarm events in the June 1987 earthquake sequence from the Lake Aswan area in Egypt, Pageoph 160, 1245-1257.
6. Claerbout, E.W., and F. Muir, 1973, Robust modeling with erratic data, Geophysics 38, 826-844.
7. Debski, W., 2002, Seismic tomography software package, Publs. Inst. Geophys. Pol. Acad. Sc. B-30, 103 pp.
8. Debski, W., and M. Ando, 2004, Spectral ray tracer: A class of accurate two-point ray tracers, Acta Geophys. Pol. 52, 1-13.
9. El-Shazly, E.M., 1977, The geology of the Egyptian region, The Ocean Basin and Margins 145, 193-207.
10. Fitch, T.J., W.D. McCovan and M.W. Shields, 1980, Estimation of the seismic moment tensor from teleseismic body wave data with applications to intraplate and mantle earthquakes, J. Geophys. Res. 85, 3817-3828.
11. Hanks, T.C., and H. Kanamori, 1979, A moment magnitude scale, J. Geophys. Res. 84, 2348-2350.
12. Haskell, N.A., 1953, The dispersion of surface waves in multilayered media, Bull. Seism. Soc. Am. 43, 17-34.
13. Hassib, G.H., 1990, A study on the earthquake mechanics around the High Dam Lake, Aswan, Egypt, Ph.D. Thesis, Faculty of Science, South Valley Univ., Sohag, Egypt (unpublished).
14. Ingber, L., 1989, Very fast simulated re-annealing: A comparison, Oper. Res. Manage. Sci. 33, 523.
15. Ingber, L., 1993, Simulated annealing: Practice versus theory, Mathematical Computer Modelling 18, 29-57.
16. Issawi, B., 1978, Geology of Nubia west area, western desert, Ann. Geol. Survey Egypt.
17. Issawi, B., 1982, Geology of the southwestern desert of Egypt, Ann. Geol. Survey Egypt.
18. Kebeasy, R.M., M. Maamon and E.M. Ibrahim, 1981, Aswan Lake induced earthquakes, Bull. Intern. Inst. Seism. Earthq. Engin. 19, 155-160.
19. Kebeasy, R.M., A.I. Bayoumi and A.A. Gharib, 1992, Crustal structure modeling for the northern part of the Aswan Lake area using seismic waves generated by explosions and local earthquakes, J. Geodyn. 14, 1-24.
20. Malone, S., and S. Wiemer, 2001, A software package to analyze seismicity: ZMAP, Seism. Res. Lett. 72, 374-383.
21. Mekkawi, M., 2003, Magnetotelluric and seismicity studies along active fault zones, Ph.D. Thesis, Faculty of Science, University of Neuchatels, Switzerland (unpublished).
22. Mekkawi, M., A. Hassoup, J.-R. Grasso and P.-A. Schnegg, 2002, Fractal and spectral analysis of the earthquake sequences along Aswan Lake, Egypt, EGS Nice, April, SE085.
23. Mekkawi, M., J.-R. Grasso and P.-A. Schnegg, 2004, A long-lasting relaxation of seismicity at Aswan, Egypt, 1982-2001, Bull. Seism. Soc. Am. 94, 479-492.
24. Mogi, K., 1967, Earthquakes and fractures, Tectonophysics 5, 35-55.
25. Simpson, D.W., A.A. Gharib and R.M. Kebeasy, 1990, Induced seismicity and changes in water level at Aswan reservoir, Egypt, Gerlans. Beitr. Geophysik Leipzig 99, 191-204.
26. Suetsugu, D., 1998, Practice on source mechanism, IISEE Lecture Notes, 104 pp.
27. Velis, D.R., and T.J. Ulrych, 2001, Simulated annealing ray tracing in complex three-dimensional media, Geophys. J. Int. 145, 447-459.
28. Wiejacz, P., 1991, Investigation of focal mechanisms of mine tremors by the moment tensor inversion, Ph.D. Thesis, Inst. Geophys. Pol. Acad. Sci., Warszawa (in Polish, unpublished).
29. Wiemer, S., and J. Benoit, 1996, Mapping the b-value anomaly at 100 km depth in the Alaska and New Zealand subduction zones, Geophys. Res. Lett. 23, 1557-1560.
30. Wiemer, S., S. McNutt and M. Wyss, 1998, Temporal and three dimensional spatial analysis of the frequency-magnitude distribution near Long Valley Caldera, California, J. Geophys. Int. 134, 409-421.