#DYK Our biggest volcano isn’t a cone. It’s Lake Taupō, formed about 25,500 years ago in the massive Ōruanui eruption. 😱🌋🌋😱 The huge eruption spat out so much magma that the ground collapsed kilometres downward and left a caldera – a gigantic collapsed block of land – in its wake. Water filled the hole, and Lake Taupō was formed. Taupō supervolcano – Ōruanui eruption, 25,500 years ago Reference landscape image courtesy of LINZ. CC BY 4.0, Rūaumoko illustration by Ben Te Aika | Te Papa

Even people who have zero history of respiratory problems can be affected by "vog," or volcano smog. CNN Meteorologist Allison Chinchar explains how vog can be a dangerous side effect of volcanoes. https://cnn.it/2FS4q4R | CNN International

6.3K views · 85 reactions | Taupō's volcano alert level has been raised to 1 for the first time - but should we be worried? GNS Science Volcanology Team Leader Nico Fournier explains what it means. #Newshub Live at 8pm | eden - Freeview 8 / Sky 13 | Newshub | Facebook