Ted Bobik joins us on the Flannelcast to talk about his work on the Eocene-Oligiocene Transition.

The Flannelcasters talk about the potential causes of the late Devonian extinction, as well as it’s extent.

The Cascadia Subduction Zone is located off the Pacific coast of the United States and Canada. It is responsible for the formation of the Cascade Mountains. Geologists believe a magnitude 9.0 earthquake could occur in the near future along this subduction zone.

Happy Halloween everybody! We share some spooky geology stories in this episode.

Links:
Digging up geology’s spooky side
Thousands climb Indonesian volcano for ritual sacrifice

The Adirondack Mountains are located in northern New York, but their formation is completely unrelated to the nearby Appalachian Mountains.

La Palma is a volcano is the Canary Islands that has recently been active.

Links:
Satellite captures La Palma volcano creating strange cloud ripple

The Flannelcasters talk about the largest underwater volcanic eruption ever recorded, off the coast of Mayotte.

Links:
Largest Underwater Eruption Ever Recorded Gives Birth to Massive New Volcano

The Flannelcasters talk about the Well of Hell in Yemen, and some other notable sinkholes around the world.

Links:
Cavers discover snakes and waterfalls inside Yemen's infamous 'Well of Hell' in world-first descent
Cavers descend into Yemen's 'Well of Hell' for first time
This Hellish Desert Pit Has Been On Fire for More Than 40 Years

The Great Unconformity in some locations has nearly a billion years of missing time in the rock record. We talk about what it is and new insights on how it formed.

This week the Flannelcasters talk about the Kola Superdeep Borehole - the deepest borehole ever drilled by humans, extended nearly 12 km below the surface of the Earth.

Links:
Ask Smithsonian: What’s the Deepest Hole Ever Dug?
The deepest hole we have ever dug
How Deep Is the Deepest Hole in the World?
Underground unearthly: What the world's deepest well told about