It depends on the location and when it first erupted and how bad that eruption was. If it was really bad then it might not erupt for hundreds of years later that's just how it is. Some scientist don't know and that's the truth so there isn't an exact answer to that question.
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
May 2013
An extinct volcano is one that will never erupt again.
An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future.This is in contract to a dormant volcano, which is an active volcano that is not erupting, but supposed to erupt again. An active volcano is a volcano that has had at least one eruption during the past 10,000 years. An active volcano might be erupting or dormant.
An active volcano is one that is erupting or is likely to erupt.A dormant volcano is one that has not erupted for a long time (but is still possibly active).An extinct volcano is one that is not likely to erupt again.
On average there are about 50 volcanic eruptions recorded each year, but they are from different volcanoes. It is doubtful that any volcano would erupt 5 times every year. Volcanoes can enter into different phases of activity and no two volcanoes are alike. One volcano may erupt every few years while another may go thousands of years without erupting. A volcano may erupt many times in a relatively short time as part of a phase of activity or, in the case of kilauea, sustained a single continuous eruption for a long time.
it is called a dormat volcano
it's gonna have to erupt soon. krakatoa may not have enough magma inside, but it's still possible for it to erupt as many times as it wants.
Dormant volcano
An "active" volcano.
Lava flow.
It varies from volcano to volcano. The super volcano under Yellowstone National Park erupts an average of once every 600,000 years. Others may erupt once, then go extinct. Others may erupt once a century.