CONTENTS 



FIGURES--Continued 



Page 



31 Shelf resonance 92 



32 Resonant amplification on a shelf 95 



33 Reflected waves on a shelf 99 



34 Offshore profiles of edge waves • 102 



35 Schematic of caustic 108 



36 1960 tsunami refraction, Hilo, Hawaii. 109 



37 Trapping of generated tsunami 113 



38 Solution to equations (264) and (265). . 123 



39 Mach-stem formation, solitary wave 131 



40 Plan view of inlet 135 



41 Amplification factor versus relative harbor length 136 



42 Wave radiation functions 137 



43 Frequency response of a fully open harbor 138 



44 Theoretical frequency response curves of harbors 139 



45 Harbor with an entrance channel 141 



46 Wavelength for Helmholtz resonance 142 



47 Tsunami water levels in a bay 144 



48 Response curve at point C of the Long Beach harbor model . . . 146 



49 1964 tsunami runup, Kodiak City, Alaska 148 



50 Tsunami runup at Kamaisi, Japan ISO 



51 Tsunami runup at Hongo in Toni, Japan 151 



52 Tsunami runup at Ryoisi, Japan 152 



53 Solitary wave runup 153 



54 Concrete seawall destroyed by 1960 tsunami, Shizukawa Bay, 



Japan i60 



7 



