Great Glacial Lakes

Amazingly, an ancient remote sensing satellite has been recovered, encased in permafrost, during an archaeological dig in a still-undisclosed location. The 10-20 thousand year old imaging technology was reverse-engineered and scientists have been able to extract the imagery from the device. Among the imagery they found this shot of what is now the Great Lakes … Continue reading Great Glacial Lakes

Great Lakes Bathymetry

Here is the result of a late afternoon diversion. The bathymetric data comes from the┬áNOAA Great Lakes Environmental Research Laboratory. The aspect ratio is consistent with a 1920×1080 monitor so it might make an alright desktop image, if you are into that sort of thing. Quick process run-down, which will take as long to type … Continue reading Great Lakes Bathymetry


Here is a re-visit to the earthquakes map I made long ago. This is actually a much different process, though I’m happy to see the visual results are quite similar. The Pacific Ring of Fire… The Mid-Atlantic Ridge… Follow the how-to process here if you are interested in trying out the technique. Happy Mapping! John Continue reading Earthquakes