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
Seismometers are instruments that measure motions of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources.
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