Tonga’s 2022 ‘Ultra’ Eruption Rewrote the Rules for Tsunamis. Now We Know Why by Matthew Phelan from Gizmodo on 2026-09-25 20:30 (#78MX3) Rare sonar mapping-conducted before and after an undersea volcano erupted off the coast of Tonga in 2022-has uncovered the unique reasons for its deadly tsunami.
