GPS Measures Deformation in Subduction Zones: Ocean/continent

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Resource Type:Teaching Media; Videos or Animations
Grade Level:
9 10 11 12
Organization:Incorporated Research Institutions for Seismology (IRIS)
Summary:This animation shows that GPS can record the movement of the leading edge of the overlying continental plate in a subduction zone. The plates are locked and the overlying plate is forced back. When friction is overcome and strain is released, the GPS receiver will snap back toward its original position. This animation is exaggerated to depict the relative motion of plates and GPS as seen in the 2010 Magnitude 8.8 earthquake in Chile where the land in places rebounded 10 meters.
Earth Science Big Ideas:Big Idea 3
NGSS Discplinary Core Ideas:ESS2.B
NGSS Performance Expectations:HS-ESS2-1; HS-ESS2-3
NGSS Science and Engineering Practices:Developing and using models
NGSS Crosscutting Concepts:Energy and matter: Flows, cycles, and conservation; Stability and change
Subjects: 9-12; animation; chile; earth; earth science; geoscience; gps; hazards; high school; land and water; natural hazards; oceans; plate tectonics; tsunami
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