Sort of made up, but based on real tech. In the movie you see video monitors, not seismographs. The full idea is that there are seismographs based around the area that are always recording and sending data. Their signals get triangulated and then transmitted to the monitors.
Was the seismograph they use to track the graboids around the refinery and in particular the one that Earl carries made up for the movie or a real piece of equipment? was last modified: May 28th, 2025 by
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