Sentences with phrase «seismic velocity changes»
«We want to know whether the seismic velocity changes reflect increasing pressure in the volcano, as volcanoes bulge out before an eruption.
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At the same time, the seismic velocity changes.
Not exact matches
The mineral has a unique layered structure that causes seismic waves to change velocity depending on their direction of travel — just as in the D» layer.
During a four - year period, the researchers used sensors to measure relative changes in the velocity of seismic waves moving through the volcano over time.
«Where these two crustal blocks came into contact, there would have been tremendous deformation that aligned the mineral grains in the rocks and changed the propagation velocities of the seismic waves,» Fischer said.