Related words. 1  poke noun. 2  poke around phrasal verb. 3  poke fun (at) phrase.  a pig in a poke 1  phrase. poke a hole in something phrase.  poke/shove/stick your nose into something 1  phrase. poke about phrasal verb at poke around.  poke fun at phrase at make fun of.
  Volcanic arcs form at plate subduction zones. Island arcs are volcanic islands that form over hot spots in the Earth's mantle. Because the islands are moving with the â¦ oceanic plate, they eventually are removed from the hot spot, forming a chain of islands in the direction of the plate movement.Answered.olcanic arc along continental boundaries. Example would be the ring of fire which surrounds the pacific ocean along continental plates.
(The term volcanic arc is often confused with the term island arc. The former is a series of volcanoes, but not necessarily offshore. The latter is a series of islands, not necessarily composed solely of volcanoes.) Volcanoes are present in almost any mountain belt, but this does not make it a volcanic arc.