Volcanic Inactivity

The residual radiation from the recent … has led to erratic geological activity across …. Most notably, the impact of the storm has rendered an active volcano extinct, cutting it off from its geological hotspot and severing the supply of magma. These changes present us with new opportunities to develop the planet further, as the cooling magma opens up new lands.

The command below will trigger the "Volcanic Inactivity" event in Stellaris:

When this event fires, you can choose between the following option:

• Fascinating.
  • Minerals: +None to None