Video introduces mantle convection which is the slow creeping motion of Earth's …
Video introduces mantle convection which is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface. It goes on to explain how the Earth's internal heat is the energy source for plate tectonics and gravity forces are what move the plates. [6:54]
Video lecture describing speeds and paths of different seismic waves within Earth …
Video lecture describing speeds and paths of different seismic waves within Earth from an earthquake to a distant seismic station. P & S waves travel through the Earth; Surface waves travel around the perimeter of the Earth. [1:44]
Probe into the technique used to measure ground deformation indicative of volcanic …
Probe into the technique used to measure ground deformation indicative of volcanic activity. Check out this quick clip illustrating the function of InSAR and how it helped identify activity in Oregon. [0:42]
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