Three Ancient SUPER VOLCANOES That Once Shook Australia

If you've ever looked at a map of southeast Queensland, you might never guess that beneath those rolling paddics and granite hills lies the eroded scar of a cataclysm so enormous it rivals Yellowstone and Topo. It's called the [music] Mongol Cold Era. And though few Australians have ever heard of it, it was once the stage for one of the most

violent volcanic events our continent has ever known. Today, there's no steaming lake or rising dome, no fummeralss or geysers to hint at its fiery past. Instead, the land wears a cloak of quiet. Cattle graze where magma once churned. Farmhouses sit where incandescent clouds once roared. But 220 million years ago in the late Triacic,

this peaceful part of Queensland tore itself open in a super eruption that may have not only changed the face of eastern Australia, but the planet itself. But first things first, location. Finding the Mongol cera was a tricky little bugger, but I managed to find it after doing some geological soouththing. Firstly, keep in mind that the land has

changed after this caldera erupted. The Mongol caldera was sliced by the perilinement which offset its eastern third about 8 km northward. This has warped the one circular shape of the caldera. Thankfully, geophysical tools can be used to help picture the size and scope of this massive structure. When viewed under gravity, we can see two

circular shapes. Remember how it's been offset by 8 km on its eastern side? That's this region here. Before it was warped by subsequent tectonic events, it would have fit snug to its western portion. Another thing we see are ring faults, radial structures created by the caldera collapse. But what allowed me to really zero in on its location is this