The international workshop on Earthquake Hazards and Mitigation was held in Guwahati, India during 7-8 December 2007. This proceedings contains 5 keynote lectures, 11 invited lectures and 44 contributed papers presented in the workshop under the following broad themes: 1. Engineering Seismology and Seismic Hazard 2. Earthquake Geotechnical Engineering 3. Structural Earthquake Engineering 4. other related issues This book reflects the present state-of-the-art of estimation of various earthquake hazards and their mitigation. It will be of extreme interest to engineers, researchers, scientists, faculty members and students working in these areas.