Introductory technical guidance for civil engineers, structural engineers and geotechnical engineers interested in seismic analysis of concrete hydraulic structures. Here is what is discussed: 1. INTRODUCTION, 2. GENERAL CONCEPTS, 3. DESIGN CRITERIA, 4. DESIGN EARTHQUAKES, 5. EARTHQUAKE GROUND MOTIONS, 6. ESTABLISHMENT OF ANALYSIS PROCEDURES, 7. STRUCTURAL IDEALIZATION, 8. DYNAMIC ANALYSIS PROCEDURES SLIDING AND ROTATIONAL STABILITY DURING EARTHQUAKES, 9. SLIDING AND ROTATIONAL STABILITY DURING EARTHQUAKES, 10. CURRENT PRACTICE ON USE OF RESPONSE SPECTRA FOR BUILDING-TYPE STRUCTURES.