An extinct volcano is one that no longer has a source of magma underneath it, and therefore has no way to erupt. read more
The lava field is extinct, so all of the volcanoes are extinct; none of them have magma sources available, or have for around 300,000 years – not very long by geological standards. Now, there is a catch. read more
So, how do I differentiate between active, dormant and extinct volcanoes. This is my personal take (with input from the volcanological community) and to me, it's all about potential. If you have a different definition, feel free to leave that in the comments. read more