A '''Subduction zone''' is the place where two [[lithosphere]] plates come together, one riding over the other. Most [[volcano|volcanoes]] on [[land]] occur [[parallel]] to and [[inland]] from the [[boundary]] between the two plates. <ref>[http://vulcan.wr.usgs.gov/Glossary/volcano_terminology.html Glossary of Volcano and Related Terminology (Teacher's Packet)]</ref>
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A '''Subduction zone''' is the place where two [[lithosphere]] plates come together, one riding over the other. Most [[volcano]]es on [[land]] occur [[parallel]] to and [[inland]] from the [[boundary]] between the two plates.<ref>[http://vulcan.wr.usgs.gov/Glossary/volcano_terminology.html Glossary of Volcano and Related Terminology (Teacher's Packet)]</ref>