"Isolation of villages" became an issue after the Noto Peninsula earthquake. This is not a big deal for areas that are at risk of damage from a Nankai Trough mega-earthquake.

Mizuki Kataoka grew up in the mountains of Kochi Prefecture. She researched the risks facing the local community with an earthquake geology expert. Shikoku Lashinban is being streamed on NHK Plus until March 15th (Friday) (you can watch it from anywhere in the country)