17 reactions | Peru-Chile Subduction Zone: Earthquakes & Tectonics This animation explores three major mechanisms for earthquakes in South America due to the interaction of the Nazca and South American plates. https://www.iris.edu/hq/inclass/animation/peruchile_subduction_zone_earthquakes__tectonics | EarthScope Consortium | Facebook

1.2K views · 57 reactions | Subduction zones show that there are 3 distinct areas of movement in the overlying plate: -constant movement above the locked leading edge, -see-saw pattern of back-&-forth movement -no movement far inland https://www.iris.edu/hq/inclass/animation/gps_records_variable_deformation_across_a_subduction_zone | EarthScope Consortium | Facebook

2K views · 99 reactions | A subduction zone is where two tectonic plates come together, one subducting (diving) beneath the other. The plates are locked & periodically overcome the friction causing the leading edge of the overlying plate to surge back, producing a tsunami. https://www.iris.edu/hq/inclass/animation/plate_boundary_convergent_margin | EarthScope Consortium | Facebook