Earthquakes and climate change

Earthquakes are caused by a sudden release of stress along faults in the earth's crust, not by climate change, but some new studies suggest that melting glaciers and permafrost may influence when, where and how often seismic activity occurs.

In this episode, hosts Graihagh Jackson and Jordan Dunbar chat to seismologist Dr. Verena Simon from the Swiss Seismology Service and Associate Professor of Geosciences at Colorado State University, Sean Gallen.

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Production team: Diane Richardson, Grace Braddock Sound Engineer: Tom Brignell and Philip Bull Production Coordinator: Brenda Brown. Editor: Simon Watts.

(Photo by Annabelle Chih/Getty Images)