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.
Profile illustrating the shelf, slope and rise. The continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust.Together, the continental shelf, continental slope, and continental rise are called continental margin. Continental margins constitute about 28% of the oceanic area.arthquakes and volcanic eruptions are common on the west coast of North America, but there are no active volcanoes on the east coast and large magnitude earthquakes are rare. Geologists refer to the west coast as (tectonically) active continental margin and the east coast a passive continental margin.