Researchers studying the January 2022 Hunga volcano eruption in Tonga found that a roughly four-kilometer-wide caldera sank by about a kilometer during the event, based on before-and-after seafloor mapping. The team concludes this swift collapse likely intensified the powerful tsunami that followed the eruption.
arstechnica.com
· 2026-09-23
When Krakatau erupted on August 27, 1883, obliterating most of three islands between Java and Sumatra, telegraph wires carried real-time reports of destruction across the world for the first time. More than 36,000 people died, mostly from tsunamis triggered by the explosion, while sulfur aerosols lofted into the atmosphere cooled Northern Hemisphere summer temperatures by roughly 0.6°C for years afterward.
arstechnica.com
· 2026-08-23
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