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GUO SHUNMINup, P. TAPPONIERup2, CHEN ZHITAIup3, M. MEGHRAOUIup4, XIANG HONGFAup, B. MEYERup2, CAI SHUHUAup3dstyle. 1990: CHARACTERISTICS OF SURFACE RUPTURE OF EL ASNAM (ALGERIA) EARTTHQUAKE AND THE STUDY OF PALEOSEISMIC EVENTS. Acta Seismologica Sinica, 12(4): 389-398.
Citation: GUO SHUNMINup, P. TAPPONIERup2, CHEN ZHITAIup3, M. MEGHRAOUIup4, XIANG HONGFAup, B. MEYERup2, CAI SHUHUAup3dstyle. 1990: CHARACTERISTICS OF SURFACE RUPTURE OF EL ASNAM (ALGERIA) EARTTHQUAKE AND THE STUDY OF PALEOSEISMIC EVENTS. Acta Seismologica Sinica, 12(4): 389-398.
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CHARACTERISTICS OF SURFACE RUPTURE OF EL ASNAM (ALGERIA) EARTTHQUAKE AND THE STUDY OF PALEOSEISMIC EVENTS

  • 1. Institute af Geology, State Seusmological Bureau, China; 2. Institut de physique du Globe 4 place Jussieu, 75230 Paris, France; 3. Lanzhou Institute of Seismology, State Seismological Bureau; 4. Laboratoire de Ge'ologie Historique Unwersite de Parris Sud, Orsay. France, Centr

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  • Published Date: September 01, 2011
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    • Abstract
  • The Main rupture of the El Asnam M=7.5 earthquake is characterized by compression-shearing. A series of parallel or oblique secondary extensional fractures developed on the thrusted wall and the trail of the fault. The main fracture zone was 36 km in length,with vertical dislocation of 1.5-2 m and horizontal dislocation of 1.5 m.Many evidences for paleoearthquake and paleo-dislocation have been found all along the seismic rupture zone. Based on the measurements and comparison analysis of various parameters of dislocations. It is determined that the recurrence interval of earthquake with similar magnitude,in the same area is about 596 years.
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    • References (1)
  • [1] Deschamps, A., Gaudemer, Y. and Cisternas, A., 1982. The El Asnam earthquake of October 10, 1980; multiple source mechanism from long period records. Bull. Seism. Soc. timer., In press.

    [2] Bousquct, J. C., Philip, H., 1981. Les caracteristiques de la neotectonique en Mediterranee Occidentale.F. C. Wazel edit. Sedimentary basins of Meditcrranea,margins, 389——405. C. N. R. Italian project of oceanography, Tecnoprint, Bolgona, 1981,

    [3] King, G. C. P. and Yielding, G., 1984. The evolution of a thrust fault system: Processes of rupture inination, propagation and termination in the 1980 EI Asnam (Algeria) earthquake. Gcophyr. J. R. astr.Soc., 77, 915——933.

    [4] King, G. C. P. and Finzi, V., 1981. Active folding in the Algerian earthquake of 10 October 1980. Nature,292, 22——26.

    [5] Ouyed, M., Meghraoui, M., Cisternas, A., Deschamps, A., Dorel. J., Frechet, J., Gaulon, R. and Philip, H.,1981. Seismotectonics of the El Asnam earthquake. Nature, 292, 26——31.

    [6] Yielding, G., Jackson, J. A,King, G., C. P., Sinuhal, H., Finzi, V. and Wood, R. M., 1981. Relation between sartace deformation, fault geometry, seismicity and rupture rropogation characteristics during the El Asnam (Algeria) earthquake of 10 October 1980. Earth Planet Sci. Lett., 56, 287——304.

    [7] Meghraoui, M., 1982. Etude Neotectonique de laregion Nord——Est d'El Asnam: Relation aver 1e seisme du 10——10——80, thesis 3eme cycle, Univ. de Paris, Paris, France.

    [8] Philip, H., Meghraoui, M., 1983. Structural analysis and interpretation of the surface deformation of the El Asnam earthquake of October 10, 1980. Tectonics, 2, 17——49.

    [9] Yielding, C., 1985. Control of rupture by fault geometry during the 1980 El Asnam (Algeri:) earthqua——ke. Geaphyr. J. R. astr. Soc., 81, 641——670.

    [10] Madariaga, R., 1984. The El Asnam (Algeria) earthquake of October 10, 1980: A review, 198——213. A collecrion of paper of international symporium on continental seismicity and earthquake predec:ion. Seismo——lotgical press.

    [1] Deschamps, A., Gaudemer, Y. and Cisternas, A., 1982. The El Asnam earthquake of October 10, 1980; multiple source mechanism from long period records. Bull. Seism. Soc. timer., In press.

    [2] Bousquct, J. C., Philip, H., 1981. Les caracteristiques de la neotectonique en Mediterranee Occidentale.F. C. Wazel edit. Sedimentary basins of Meditcrranea,margins, 389——405. C. N. R. Italian project of oceanography, Tecnoprint, Bolgona, 1981,

    [3] King, G. C. P. and Yielding, G., 1984. The evolution of a thrust fault system: Processes of rupture inination, propagation and termination in the 1980 EI Asnam (Algeria) earthquake. Gcophyr. J. R. astr.Soc., 77, 915——933.

    [4] King, G. C. P. and Finzi, V., 1981. Active folding in the Algerian earthquake of 10 October 1980. Nature,292, 22——26.

    [5] Ouyed, M., Meghraoui, M., Cisternas, A., Deschamps, A., Dorel. J., Frechet, J., Gaulon, R. and Philip, H.,1981. Seismotectonics of the El Asnam earthquake. Nature, 292, 26——31.

    [6] Yielding, G., Jackson, J. A,King, G., C. P., Sinuhal, H., Finzi, V. and Wood, R. M., 1981. Relation between sartace deformation, fault geometry, seismicity and rupture rropogation characteristics during the El Asnam (Algeria) earthquake of 10 October 1980. Earth Planet Sci. Lett., 56, 287——304.

    [7] Meghraoui, M., 1982. Etude Neotectonique de laregion Nord——Est d'El Asnam: Relation aver 1e seisme du 10——10——80, thesis 3eme cycle, Univ. de Paris, Paris, France.

    [8] Philip, H., Meghraoui, M., 1983. Structural analysis and interpretation of the surface deformation of the El Asnam earthquake of October 10, 1980. Tectonics, 2, 17——49.

    [9] Yielding, C., 1985. Control of rupture by fault geometry during the 1980 El Asnam (Algeri:) earthqua——ke. Geaphyr. J. R. astr. Soc., 81, 641——670.

    [10] Madariaga, R., 1984. The El Asnam (Algeria) earthquake of October 10, 1980: A review, 198——213. A collecrion of paper of international symporium on continental seismicity and earthquake predec:ion. Seismo——lotgical press.
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