This book explores all the important aspects of volcanology in the present day scenario. It elucidates the different techniques and methods used in this subject matter. Volcanology is concerned with the detailed study of volcanoes, magma, lava and other geochemical, geological and geophysical elements related to volcanoes. It also includes the study of the formation, activity and eruptions of volcanoes. Most of the topics introduced in this text cover new techniques and the applications of volcanology. The various subfields of this discipline along with technological progress that have future implications are glanced at in it. This textbook is meant for students who are looking for an elaborate reference text on volcanology.