CONTENTS 



Page 



Section VI. EFFECTS OF MAIN TSUNAMI ON NORTH AMERICAN SEABOARD . . 319 



1. Ts'unami Damage Along the Canadian Pacific Coast 319 



2. Tsunami Damage at Port Alberni, Vancouver Island, Canada . 321 



3. Tsunami Damage Along the Washington-Oregon Coasts, 



United States 323 



k. Tsunami Damage Along the California Coastline 32U 



5. Tsunami Damage at Crescent City, California 328 



Section VII. SUMMARY 3^+7 



1. Introduction 3^7 



2. The Nature of Earth Dislocation and Movement 3^7 



3. Generation, Propagation and Dispersion of the Main 



Tsunami Waves 350 



h. Effects of the Main Tsunami and of Local Seismic Sea 



Waves in Alaska 35^ 



5. Effects of the Main Tsimami and of Local Seismic Sea 



Waves in Prince William Sound 358 



6. Effects of the Main Tsunami Along the North American 



Seaboard 36l 



Section VIII. CONCLUSIONS .363 



1. Introduction 363 



2. Water Particle Velocities and Pressxare Forces from Tsunamis 363 



3. The Ability of Structures to Withstand Tsunamis 366 



h. Harbor Structiires: Their Damage and Protection 367 



5. Damage from Scour 369 



6. Protective Measures for Ships and Boats in Harbors .... 369 



7. Economic Aspects of Protective Measures 371 



Section IX. SUMMARIZED CONCLUSIONS 373 



1. Earthquake and Ts\inami Generation Characteristics .... 373 



2. Tsunami Propagation Characteristics 37^ 



3. Features of Tsunami Damage 375 



k. General Design Criteria for Tsunami Protection 377 



Section X. LIST OF SYMBOLS 38l 



LITERATURE CITED 385 



Appendix A U. S. Fleet Weather Central, Kodiak, Alaska A-1 



Appendix B Tables B-1 to B-5 B-1 



Appendix C Tsunami Characteristics and Rimup C-1 



Appendix D The Flow and Force Field of Tsunami Waves D-1 



Appendix E Estimates of Damage Caused by the Alaskan Tsunami . . E-1 



