Few events in nature are as awe-inspiring and destructive as a powerful earthquake or a massive volcanic eruption. Encyclopedia of Earthquakes and Volcanoes explains the specific terms and concepts associated with the sciences of catastrophe -- seismology and volcanology -- and covers the places in the world where these destructive phenomena have occurred. Completely revised and updated, this concise A-to-Z resource covers various regions of the world and their seismic and/or volcanic activities, specific major eruptions and earthquakes throughout history, geologic or scientific terms, and people who have influenced these fields of science. Entries include terms and concepts such as: caldera, stratovolcano, S-waves, liquefaction, harmonic tremors, and much more.