Seeing Through Rocks: Seismic Imaging of the Cascadia Subduction Zone



August 3, 2012
by Kate Allstadt

Story continues..."The technology we used, called “reflection seismology,” is the sort of technology that oil companies use to search for oil reservoirs. Basically, we send seismic waves into the earth and the waves bounce off the contrasts between different rocks in the subsurface. We record these reflections with seismometers and turn them into an image, allowing us to see into the earth and study the subsurface. This can be done on land or at sea..."

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