Ring of Fire of the Andes, hence the name sometimes used by geologists: "Antarctandes". At the opposite side of the continent, the volcanoes of Victoria Land may be seen as the 'other end' of the Antarctandes, thus completing the Pacific Ring of Fire and continuing up through the Balleny Islands to New Zealand. Mount Erebus is the second-highest volcano in Antarctica (after Mount Sidley) and the southernmost active volcano on earth. It is the sixth-highest ultra mountain on an island. With a summit elevation of , it is located on Ross Island, which is also home to three inactive volcanoes, Mount Terror, Mount
Ring of Fire (Northern Ontario) briefing notes for Clement warned that the Matawa First Nation communities were among the "most socio-economically challenged in Ontario, impacting their ability to meaningfully participate in large complex projects". Most of the "working age population in the Matawa First Nation communities have not completed high school". Three of the nine local Matawa First Nations were "under financial intervention (co-management)". Matawa First Nations lack "exposure to a development of this magnitude combined with low educational attainment and other factors suggests that the communities do not currently have the capacity to address the various issues related to the Ring of Fire". The