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

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

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.

Compare pictures of different volcanoes. Then visit NASA's Space Place to learn about volcanoes and answer questions about volcanic eruptions.

Students use scale to determine the area of volcanic deposits following the March 3, 2015 eruption of Chile's Mount Villarrica stratovolcano, one of the country's most active volcanoes.

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