... 142 Basic Geotechnical Earthquake EngineeringUnconfined compression 84Uniformly graded 65 , 69 Unit weight 38, 41Unliquefiable 77, 78, 79, 85, 86 Unsaturated soil 64 Up-hole method ... waves 15, 16, 26, 27, 29Seismic zonation factor 121Seismic zone 54Seismic zoning maps 36 Seismicity 46, 47, 48, 54Seismogram 16, 27, 29Seismograph 2, 23, 26, 27, 28, 29Seismologists 26 Seismology ... 16, 27Sand Volcanoes 58SASW 42, 43Scenario earthquakes 46 Seismic 46, 47, 48, 50, 53, 54, 56 Seismic acceleration 122Seismic coefficients 91, 54Seismic mass 118, 122, 125, 128138 Basic Geotechnical...