Tongaโs 2022 Mega-Eruption Exposed a New Tsunami Threat
New research is reshaping scientific understanding of the 2022 Hunga Tonga-Hunga Ha'apai eruption, showing that the disaster was driven not just by explosive volcanism but by the sudden collapse of a submarine volcano. The finding helps explain why the event generated a far-reaching tsunami and why small undersea volcanoes may pose outsized coastal risks in a warming, hazard-prone world.
