It turns out it's like a continuous contour plot (showing deformation from a Haitian earthquake). Thanks to Google image search, such poorly documented images can be traced back to their source - and context! - quite quickly. This one was on the first page of results.
It turns out it's like a continuous contour plot (showing deformation from a Haitian earthquake). Thanks to Google image search, such poorly documented images can be traced back to their source - and context! - quite quickly. This one was on the first page of results.