Volcano an extinct volcano from a dormant (inactive) one. Dormant volcanoes are those that have not erupted for thousands of years, but are likely to erupt again in the future. Volcanoes are often considered to be extinct if there are no written records of its activity. Nevertheless, volcanoes may remain dormant for a long period of time. For example, Yellowstone has a repose/recharge period of around 700,000 years, and Toba of around 380,000 years. Vesuvius was described by Roman writers as having been covered with gardens and vineyards before its eruption of 79 CE, which destroyed the towns of Herculaneum and
Extinct language Extinct language An extinct language is a language that no longer has any speakers, especially if the language has no living descendants. In contrast, a dead language is "one that is no longer the native language of any community", even if it is still in use, like Latin. Languages that currently have living native speakers are sometimes called modern languages to contrast them with dead languages, especially in educational contexts. In the modern period, languages have typically become extinct as a result of the process of cultural assimilation leading to language shift, and the gradual abandonment of a native language