The National Geodetic Data Center (NGDC) of NOAA has an online collection of photos of various geologic hazards. Many of the photos are from older sets of 35mm slides that have been digitized. They are free to use provided you credit the photographer and the NGDC as the source. The would be really useful for educators and for powerpoint presentations. The only drawback is that they are in TIF format and some of them could use some retouching. (Photo by University of Colorado, made available by NOAA/NGDC)
It’s been over 5 months since the massive St. Jude landslide that claimed the lives of four residents. The quick clay landslide took place on May 10, 2010, and in this article, it is clear […]
This is a nice overview of a slow-moving landslide in a Salt Lake City, Utah neighborhood where you can go on Google Earth and do your own aerial photo analysis using Google’s historic aerial imagery. […]
Copyright © 2007-2020 by Randy Post
