Paricutin volcano

Despite its inactivity, the region is still seismically active, and Paricutin may awaken at any time.

An excerpt from the article 15 facts about Paricutin volcano
As it is considered dormant, not extinct, the probability of future eruptions is high. It may happen in a year or in a few hundred years, but Paricutin probably hasn't said its last word yet.