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
Gordon baronets of Invergordon "baronetcy dormant 1850" "baronetcy extinct 1831" "baronetcy extinct 1876" Gordon baronets There have been eleven Gordon Baronetcies : The creation of Robert Gordon of Gordonstoun, 4th son of the Alexander Gordon, 12th Earl of Sutherland, to the Baronetage of Nova Scotia was the first such in that Baronetage, and until the line failed in 1908 were the premier baronets in Scotland. "baronetcy dormant 24 Mar 1908" "baronetcy dormant c 1668" "baronetcy dormant 9 Nov 1839" "Baronetcy merged with Viscountcy until it became dormant in 1847" "Baronetcy extinct or dormant 9 Sep 1956" "see Marquess of Aberdeen and Temair"