I was surprised that models of the Earth below the surface are still so difficult to make. While we obviously can't see structures below the ground with the naked eye or traditional cameras, I find it surprising that we can track surface movements down to the 10th of a millimeter but cannot observe movement below the surface. Is there emerging technology that may allow us to model what is beneath the surface? How could technology like this improve our ability to predict seismic activity?
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Cici, these are really interesting questions. I also found interesting the differences between what is currently possible and impossible, currently known and unknown- if I hadn't watched the rest of the interview, the precision of measuring surface movements to the 10th of a millimeter would suggest to me that there would be fewer unknowns in predicting earthquakes. I also found it interesting that Professor Meade kept mentioning the many other unknowns in his work and how unlikely it is that we will ever know them, so I wonder if there was a time when researchers thought tracking surface movements that closely would be impossible before it actually ended up being possible.