• Cross section through a breadcrust bomb from Guagua Pichincha volcano (courtesy of Heather Wright)
  • Amphibole breakdown (courtesy of Julia Hammer)
  • Liquid nitrogen eruption demonstration (courtesy of Karen Harpp)
  • Tungurahua volcano
  • Columnar jointed basalt at the Giant's Causeway, Ireland (courtesy of Kathy Cashman)
  • Drilling a high altitude lake (courtesy of Catherine Chauvel)

Volcanology, Geochemistry & Petrology

Welcome to the home page for the Volcanology, Geochemistry and Petrology section of the American Geophysical Union. Look around to find out more about VGP and its activities.

News and Announcements