Analyzing Plate Motion Using EarthScope GPS Data
DATA: EarthScope GPS Data. TOOLS: Spreadsheet, Google Maps. SUMMARY: Learn how GPS monuments make precise measurements of Earth's surface. Graph motion data and map velocity vectors to explore tectonic motion and surface deformation in the Pacific Northwest.

Looking into Earth with GIS
DATA: Seismic Wave Model Output. TOOLS: My World GIS, Microsoft Excel. SUMMARY: Examine seismic wave data in a Geographic Information System (GIS). Analyze wave velocities to infer the depth of the crust-mantle boundary.