tectonic tectonicrelating to the deformation of the earth’s crust Related Articles: Glossary: subduction zonesHow is sound used to study the Earth’s history?Deep-Sea BiologistHow is sound used to study undersea earthquakes?Real-time Passive Acoustic SensorsHow is sound used to map the seafloor? Chris Knowlton2017-02-26T20:10:02-05:00