Welcome to the rock bottom of the Australian continent. Here, hundreds of kilometres underground, there are inverted mountains and valleys beyond anything at our country's land surface. With Dr Caroline Eakin we find out how earthquakes paint pictures of Australia's deep roots, why our country experiences earthquakes, and finally, why those Western Australian's are building an epic 'telescope that points inside the earth'...

A tremendous thank you to the ⁠Geological Society of Australia⁠ who made this episode of Wonder possible.

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GeoCo connects to you from the traditional country of the Kaurna people of the Adelaide Plains, South Australia. We pay our respects to their Elders past, present, and emerging.