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 said to be both extinct and dead: inscriptions are ill understood even by the most knowledgeable scholars, and the language ceased to be used in any form long ago, so that there have been no speakers, native or non-native, for many centuries. In contrast, Old English, Old High German and Latin never ceased evolving as living languages, nor did they become totally extinct as Etruscan did. Through time Latin underwent both common and divergent changes in phonology, morphology, syntax and lexicon and continues today as the native language of hundreds of millions of people, renamed as different Romance languages and