Seismic Microzonation

  • Ikuo Towhata
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG)


Seismic zonation or microzonation stands for assessing and classifying the extent of risk in localities by taking into account the expected nature of future earthquakes as well as topography, soil conditions, and other individual conditions. The name may or may not carry “micro”, depending upon the size of considered localities. This section concerns in particular the risk that is related to such earthquake problems as intensity of earthquake motion and liquefaction. Topics concerning landslide risk assessment were discussed in Sect. 15.46. Design requirements as well as emergency program after an earthquake disaster should take into account the microzonation so that relevant action may be taken for each localities. A good reference on this topic was published by the Technical Committee No. 4 for Earthquake Geotechnical Engineering under the auspices of International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE) (1999). Most parts of this chapter rely on this report.


Ground Motion Strain Amplitude Earthquake Motion Liquefaction Resistance Liquefaction Susceptibility 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Ikuo Towhata
    • 1
  1. 1.University of TokyoJapan

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