science 🌋 Hunga volcano collapse reveals major hazard gaps
The 2022 Hunga volcano eruption showed a major gap in global readiness for underwater volcanic risks. An international team led by Dr Marta Ribó studied the event near Tonga in the Pacific Ocean. The caldera deepened from 150m to 850m, displacing 8.9 cubic kilometres of material. This rapid collapse triggered a tsunami larger than Krakatau's in 2018, despite low fatalities. The research urges urgent high-resolution seafloor mapping for better early warnings. 🌋