The volcano is said to be extinct if it hasn't erupted for at least 10,000 years.
An extinct volcano is one that will never erupt again.
They term this an extinct volcano if there is no longer a supply of magma to the chamber underlying the volcano or dormant if there is (as there is therefore still a chance of a future eruption).
As it is regarded as an extinct volcano, it is unlikely that it will erupt again.
A volcano that is thought to be incapable of further eruptions is said to be extinct.A volcano that is inactive but not extinct is said to be dormant.
If it 'unlikely' to erupt again but it could, it's dormant.
A dormant volcano is one that is just sleeping and it is possible to erupt again. An extinct volcano will never erupt again.
An extinct volcanothey are called dormant volcanoes.
Extinct
active- or live volcano is one that is erupting or has shown signs that it may erupt in the near future dormant- volcano to awaken in the future and become active extinct- or dead volcano is unlikely to erupt again
active : a volcano which is expected to erupt again or will erupt again eg.mt etna dormant : a volcano which has erupted in the last 2000 years but not recently eg Mt Baker extinct : a volcano which will not erupt again eg killimanjaro
active- or live volcano is one that is erupting or has shown signs that it may erupt in the near future dormant- volcano to awaken in the future and become active extinct- or dead volcano is unlikely to erupt again