Volcanology is a discipline of geology that deals with all aspects of volcanic phenomena. It deals with the formation, distribution and classification of volcanoes, as well as their structure and the types of materials emitted during an eruption. Volcanology also includes research on the relationships between volcanic eruptions and other large-scale geological processes such as plate tectonics, mountain formation, and earthquakes. One of the main objectives of this research is to determine the nature and causes of volcanic eruptions with the aim of forecasting their occurrence. The topics included in this book on volcanology are of utmost significance and bound to provide incredible insights to readers. It aims to shed light on some of the unexplored aspects and recent researches in this field. This book includes contributions of experts and scientists which will provide innovative insights into the field of volcanology.