Natural Hazards are the natural events that cause a negative impact on people and their environment. These can be divided into two broad categories, one geophysical hazards like volcanic eruptions, earthquakes, cyclonic storms and coastal erosions, etc. and second, biological hazards like floods, wildfires, etc. This book is a compilation of chapters that discuss the most vital concepts in the field of natural hazards. It explores all the important aspects of this field in the present day scenario. Different approaches, evaluations and methodologies and advanced studies have been included in it. This textbook, with its detailed analyses and data, will prove immensely beneficial to professionals and students involved in this area at various levels.