Volcano image from the Smithsonian
Global Volcanism Program
Global Volcanism Program
Eruptions, Earthquakes, & Emissions: Visualizing the Planet's Heartbeat
Smithsonian Institution - Global Volcanism Program: Worldwide Holocene Volcano and Eruption Information
Global Volcanism Program
Global Volcanism Program
Global Volcanism Program
Global Volcanism Program - Wikipedia
Global Volcanism Program
Global Volcanism Program
Global Volcanism Program
Global Volcanism Program
Global Volcanism Program