The Encyclopedia of Volcanoes, Third Edition, an updated edition of the PROSE award winning title, summarizes our knowledge on volcanoes. The book provides a comprehensive source on the causes of volcanic eruptions with both destructive and beneficial effects. This new edition illustrates the best approaches to characterize key aspects of volcanology, demonstrates the importance of volcanology for a sustainable planet, and was developed by a multidisciplinary, multi-gender, and multi-cultural team of both editors and authors. This is a necessary reference for students, academics, and professionals in volcanology and Earth science to understand and characterize the effects and role played by volcanoes.