New research reveals more about the magnitude of January eruption, as researchers call for better preparedness. The eruption of the Hunga Tonga-Hunga Ha’apai volcano in January created an initial wave 90 metres high – almost the height of the Statue of Liberty (93m) University of Bath tsunami expert calls for better warning systems to detect volcanic eruptions, saying systems are ...

The next major volcanic eruption could kick-start chemical reactions that would seriously damage the planet’s already besieged ozone layer. The extent of damage to the ozone layer that results from a large, explosive eruption depends on complex atmospheric chemistry, including the levels of human-made emissions in the atmosphere. Using sophisticated chemical modeling, researchers from Harvard University and the University of ...