. "Volcanic plug"@en . . "A volcanic plug, also called a volcanic neck or a lava neck, is a volcanic landform created when lava hardens within a vent on an active volcano. This article is a . You can help My English Wiki by expanding it."@en . "A volcanic plug, also called a volcanic neck or a lava neck, is a volcanic landform created when lava hardens within a vent on an active volcano. This article is a . You can help My English Wiki by expanding it."@en . .