Volcanic plug

When present, a plug can cause an extreme build-up of high gas pressure if rising volatile-charged magma is trapped beneath it, and this can sometimes lead to an explosive eruption.Near the village of Rhumsiki in the Far North Province of Cameroon, Kapsiki Peak is an example of a volcanic plug and is one of the most photographed parts of the Mandara Mountains.Strombolicchio, the northernmost of the Aeolian Islands, and Rockall, a small, uninhabited, remote islet in the North Atlantic Ocean, are also volcanic plugs.There are over 30 volcanic plugs in Northern Ireland, including Slemish in Ballymena, Tievebulliagh, Scawt Hill, Carrickarede, Scrabo and Slieve Gallion.The southern coast of Saint Lucia is dominated by the iconic Pitons, a UNESCO World Heritage Site.
An aerial view of the Gros Piton and Petit Piton , in St. Lucia , 2006.
Volcanic plug near Rhumsiki , Cameroon .
Roque Bentayga from the town of Artenara
Saint Michel d'Aiguilhe chapel, on top of a volcanic plug in Le Puy-en-Velay , France.
Gros PitonPetit PitonSt. Luciavolcanicpressureplinian eruptionGlacialcrag and tailerosionRhumsikiCameroonFar North ProvinceMandara MountainsLa GomeraCanary IslandsGarajonay National ParkThe Pico Cão GrandeRoque BentaygaArtenaraSigiriyaDambullaSri LankaWorld Heritage SiteSaint Michel d'AiguilheLe Puy-en-VelayBorgarvirkiMotta Sant'AnastasiaTrosky CastleCzech RepublicStrombolicchioAeolian IslandsRockallAtlantic OceanUnited KingdomCastle RockEdinburghDeganwy CastleLaw, DundeeAilsa CraigBass RockNorth Berwick LawDumgoyneScotlandNorthern IrelandSlemishBallymenaTievebulliaghScawt HillCarrickaredeScraboSlieve GallionUnited StatesMorro RockCaliforniaHeceta Head LighthouseOregonSierra PrietaShiprockNew MexicoDevils TowerWyomingLittle Devils PostpileYosemite National ParkgeologistsNorthern Cordilleran Volcanic ProvinceBritish ColumbiaPleistoceneSaint LuciaPitonsUNESCOCaribbeanPinnacle Rock, Galápagos, EcuadorNorth IslandNew ZealandCoromandel PeninsulaBream HeadNorthlandSugar Loaf IslandsTaranakiWhangaroa HarbourĀtiamuriState Highway 1South IslandOnawe PeninsulaBanks PeninsulaSaddle HillDunedinMount CargillAustraliaThe NutTasmaniaMount WarningWarrumbunglesGlasshouse Mountains National ParkMount BeerwahMount TibrogarganMount CoonowrinMount CoorooraMount NgungunSouth East QueenslandEdinburgh Castleancient volcanic plugTaung KalatRoque NubloGran CanariaSt PatrickPico Cão GrandeSão Tomé IslandChaîne des PuysBase MériméelandformsList of landformsMountainPlateauTablelandValleyIce sheetSteppeTundraFluvialAlluvial fanCanyonChannelFloodplainislandMeanderRapidsStraitWaterfallArêteCirqueGlacierIce fieldTunnel valleyOceanic and coastal landformsContinental shelfCoral reefEstuaryIsthmusLagoonMid-ocean ridgeOceanic trenchPeninsulaSeamountVolcanic islandCalderaGeyserLava domeLava fieldSubmarine volcanoVolcanic craterVolcanic crater lakeVolcanic damVolcanic plateauVolcanoWall rockAeolianDesertDry lakeSandhillArtificial islandArtificial reefBridgeBuildingLand reclamationPolderQuarryReservoirTunnelGeographical feature