
Underwater Volcano Eruption Cooled the Southern Hemisphere, Study Finds
When the Hunga Tonga–Hunga Haʻapai volcano erupted underwater near Tonga in 2022, scientists expected it to warm the planet. Instead, it had the opposite effect, it cooled the Southern Hemisphere by 0.1°C, according to a new study led by researchers at UCLA. Why the Eruption Was Expected to Heat Things Up? The eruption sent a massive plume of…