Small undersea volcanoes may unleash outsized tsunamis

Post-eruption imaging of the Hunga caldera gives new details of its collapse. https://arstechnica.com/science/2026/09/small-undersea-volcanoes-may-unleash-outsized-tsunamis/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social