Antarctica's Most Active Volcano Sits on a Crust So Thin It Should Not Be There

Antarctica's Most Active Volcano Sits on a Crust So Thin It Should Not Be There

Mount Erebus, the world’s southernmost active volcano, rises 3,794 metres above Antarctica’s Ross Island and sits on a section of Earth’s crust only 17 to 22 kilometres thick, roughly half the depth geologists typically expect beneath a volcano of this age and scale. Findings published in Scientific Reports in April 2026 quantify the crustal structure […] The post Antarctica’s Most Active Volcano Sits on a Crust So Thin It Should Not Be There ap…