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Ground motion for scenario earthquakes at Guwahati city

Abstract

In this article, stochastic finite-fault simulation combined with site response analysis is used to understand the spatial distribution of ground motion in Guwahati city due to three damaging earthquakes. The rock level ground motion for the scenario earthquakes is generated based on the stochastic finite-fault methodology. These simulated motions are further amplified up to the surface by equivalent linear site response analyses using the available borelog data at 100 different locations in Guwahati city. A set of twenty simulated rock level time histories for each event, are used to compute the surface level ground motion. Response spectra are computed and the results are presented in the form of contour maps, at selected natural periods. The mean amplification due to local soil deposit is as high as 2.2 at most of the sites in Guwahati city. Based on these simulated motions, an average site correction factor is obtained for soil sites in Guwahati city. The standard error in the simulated response spectra is also reported. The contour maps obtained will be useful in identifying vulnerable places in Guwahati city.

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References

  • Aki K 1993: Tectonophysics, 218, 93–111.

    Article  Google Scholar 

  • Anderson J, Hough S 1984: Bull. Seismol. Soc. Am., 74, 1969–1993.

    Google Scholar 

  • Bilham R, England P 2001: Nature, 410, 806–809.

    Article  Google Scholar 

  • Boore D M 1983: Bull. Seismol. Soc. Am., 73, 1865–1894.

    Google Scholar 

  • Boore D M, Atkinson G M 1987: Bull. Seismol. Soc. Am., 4, 460–477.

    Google Scholar 

  • Curray J R 1989: J. Sea Research, 24, 131–140.

    Article  Google Scholar 

  • Curray J R, Moore D G 1974: In: The Geology of Continental Margins, C A Bruke, C L Drake eds, Springer-Verlag, New York, 617–628.

  • Curray J R, Moore D G, Lawyer L A, Emmel F J, Raitt R W, Henry M, Kieckhefer R 1979: In: Geological and Geophysical Investigations of continental Margins, J S Watkins, L Montadert, P Dickenson eds, American Association of Petroleum Geologists Mem., 189–198.

  • DST 2008: Report on Seismic Microzonation of Guwahati region, http://www.am.tron.in/microzonation/

  • Fumal T E, Tinsley J C 1985: In: Predicting Areal Limits of Earthquake Induced Landsliding; In Evaluation of Earthquake Hazards in the Los Angeles Region — An Earth Science Perspective, J I Ziony ed., US Geological Survey, 1360, 127–150.

  • Goswami H C, Sarmah S K 1982: Bull. Seismol. Soc. Am., 72, 999–1009.

    Google Scholar 

  • GSI 2000: Seismotectonic Atlas of India and its Environs. Geological Survey of India

  • Hasancebi N, Ulusay R 2007: Bull. Engin. Geol. Environm., 66, 203–213.

    Article  Google Scholar 

  • Holt W E, Wallace T C 1990: J. Geophys. Res., 95, 12499–12525.

    Article  Google Scholar 

  • IBC 2003: International Building code. International code council

  • Idriss I M, Sun J I 1992: A Computer program for conducting equivalent linear seismic response analysis of horizontally layered soil deposits. Users manual for SHAKE91

  • Imai T, Tonouchi K 1982: In: Proceeding of 2nd European Symposium of Penetration Testing, 67–72.

  • Iman R L, Conover W J 1980: Communications Statistics Theory, Methods, A9, 1749–1874.

    Article  Google Scholar 

  • Iyisan R 1996: Teknik Dergi, 7, 1187–1199.

    Google Scholar 

  • Jinan Z 1987: Correlation between seismic wave velocity and the number of blow of SPT and depth. Selected Papers from the Chinese Journal of Geotechnical Engineering, 92–100.

  • Kayal J R 2008: Microearthquake seismology and seismotectonics of South Asia. Capital Publishing company, New Delhi

    Google Scholar 

  • Kayal J R, Arefiev S S, Barua S, Hazarika D, Gogoi N, Kumar A, Chowdhury S N, Kalita S 2006: Current Science, 19, 109–114.

    Google Scholar 

  • Khattri K N 1987: Tectonophysics, 138, 79–92.

    Article  Google Scholar 

  • Khattri K N, Wyss M 1978: Geology, 6, 685–688.

    Article  Google Scholar 

  • Krishnan M S 1960: Geology of India and Burma. Higginbothams, Madras, India

    Google Scholar 

  • Mitchell A H G 1981: J. Geol. Soc. London, 138, 109–122.

    Article  Google Scholar 

  • Molnar P, Fitch T J, Wu F T 1973: Earth Planet. Sci. Lett., 19, 101–112.

    Article  Google Scholar 

  • Motazedian D, Atkinson G M 2005: Bull. Seismol. Soc. Am., 95, 995–1010.

    Article  Google Scholar 

  • Murthy M V N 1970: In: Proceedings of 2nd Symposium on Upper Mantle Project, NGRI, Hyderabad, 287–304.

    Google Scholar 

  • Nandy D R 2001: Geodynamics of Northeastern India and the adjoining region, acb publications, Calcutta, India

    Google Scholar 

  • Ni J F, Barazangi M 1984: J. Geophys. Res., 89, 1147–1163.

    Article  Google Scholar 

  • Ni J F, Speziale M G, Bevis M, Holt W E, Wallace T C, Seager W R 1989: Geology, 17, 68–71.

    Article  Google Scholar 

  • Oldham R D 1899: Mem. Geological Survey India, 29, 1–379.

    Google Scholar 

  • Oldham T 1882: Mem. Geological Survey India, 19, 1–88.

    Google Scholar 

  • Raghukanth S T G, Dash S K 2009: J. Seismol., DOI 10.1007/s10950-009-9158-y

  • Raghukanth S T G, Somala S N 2009: Bull. Seismol. Soc. Am., 99, 705–725.

    Article  Google Scholar 

  • Raghukanth S T G, Sreelatha S, Dash S K 2008: Tectonophysics, 448, 98–114.

    Article  Google Scholar 

  • Rajendran C P, Rajendran K, Duarah B P, Baruah S, Earnest A 2004: Tectonics, 23, TC4009.

    Article  Google Scholar 

  • Satyabala S P 2003: Pure Applied Geophys., 160, 1611–1650.

    Google Scholar 

  • Singh S K, Darcia D, Pacheco J F, Valenzuela R, Bansal B K, Dattatrayam R S 2004: Bull. Seismol. Soc. Am., 94, 1564–1570.

    Article  Google Scholar 

  • Vucetic M, Dobry R 1991: J. Geotechn. Engin., 117, 89–107.

    Article  Google Scholar 

Download references

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Raghukanth, S.T.G., Dixit, J. & Dash, S.K. Ground motion for scenario earthquakes at Guwahati city. Acta Geod. Geoph. Hung 46, 326–346 (2011). https://doi.org/10.1556/AGeod.46.2011.3.5

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  • DOI: https://doi.org/10.1556/AGeod.46.2011.3.5

Keywords

  • Guwahati city
  • response spectra
  • seismological model
  • strong ground motion