Use the Earth System Data Explorer to analyze data and make a claim about which 2018 eruption was larger, Kilauea, HI or Ambae Island, Vanuatu.

Students examine satellite images of an island before and after a volcanic eruption to determine the impact of the eruption.

Students will describe the changes in a newly-formed volcanic island over the first three years of its life.  

Learn about volcanic ash and watch a visualization of the Calbuco volcano to see how ash travels around the world. 

This learning activity uses data acquired by the TOPEX/Poseidon altimeter, a joint project of NASA and the French Space Agency, to investigate the relationship between the topography of a sea-floor feature and the topography of the overlying sea surface.

Review this page to learn about the background of volcanoes and their eruptions.