Shiprock, the erosional remnant of the throat of an extinct volcano. Shiprock, ( Tsé Bit'a'í, "rock with wings" or "winged rock" is a rock formation rising nearly above the high-desert plain on the Navajo Nation

An extinct volcano is a volcano which is not currently erupting and which is not considered likely to erupt in the future. Plate tectonics and hotspots Divergent plate boundaries At the

It is difficult to distinguish an extinct volcano from a dormant one because volcanoes are usually considered to be extinct if there are no written records of its activity. Nevertheless volcanoes may remain dormant for a long period of time and it is not uncommon for a so-called "extinct" volcano to erupt again. Vesuvius was thought to be extinct before its famous eruption of AD 79, which destroyed the towns of Herculaneum and Pompeii. Mount Vesuvius (in Italian Monte Vesuvio and in Latin Mons Vesuvius) is an active Stratovolcano east of Naples Year 79 was a Common year starting on Friday (link will display the full calendar of the Julian calendar. Herculaneum (in modern Italian Ercolano) is an ancient Roman town located in the territory of the current commune of Ercolano. Pompeii is a ruined and partially buried Roman town-city near modern Naples and Caserta in the Italian region of Campania, in More recently, the long-dormant Soufrière Hills volcano on the island of Montserrat was thought to be extinct before activity resumed in 1995. The Soufrière Hills volcano ( French "Sulphur" Hills is an active complex Stratovolcano with many lava domes forming its summit on Montserrat (ˌmɒntsəˈræt is British overseas territory located in the Leeward Islands, part of the chain of islands called the Lesser Antilles Year 1995 ( MCMXCV) was a Common year starting on Sunday. Events of 1995 The most recent example is Fourpeaked Mountain in Alaska, which prior to September 2006 is not believed to have erupted since earlier than 7994 BC. Fourpeaked Mountain also known as Fourpeaked volcano is an active Stratovolcano in Alaska Alaska ( Аляска Alyaska) is a state in the United States of America, in the northwest of the North American continent September 2006 was marked by a controversy surrounding statements made by Pope Benedict XVI regarding Islam, during the same week as the fifth anniversary

The Auvergne region of France has 50 extinct volcanoes, which have not erupted for more than 6,000 years and have been eroded away, leaving plugs of unerupted hardened magma, which look like rounded hilltops. Auvergne ( Occitan: Auvèrnhe / Auvèrnha) is one of the 26 administrative regions of France. This article is about the country For a topic outline on this subject see List of basic France topics. Magma (Plurals magmas and magmata) is molten rock that sometimes forms beneath the surface of the Earth (or any other Terrestrial planet

See also

• Active volcano
• Dormant volcano
• Guyot