terrell smith
terrell smith earth science
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the dinamic earth
plate tectonics
plate boundaries
convergant boundares
divergant boundaries
transform boundaries
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earthquake
Elastic Rebound
Focus
Epicenter
Seismograph
Magnitude
Intensity
Tsunami
Seismic Gap
earth science project
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rift valley
Mid-Oceanic Ridge
Subduction Zone
Orogenesis
Continental Volcanic Arc
an instrument that measures and records details of earthquakes, such as force and duration.