Since I last posted about this landslide, ADOT has added several videos to their YouTube channel. It’s clear that this highway is going to be closed for the long term. ADOT and their on-call geotechnical consultant tasked with this project, Kleinfelder, are currently drilling boreholes to attempt to characterize the failure surface and determine what the geometry of the failure surface is. They are installing at least 10 inclinometers to try to determine the location of the slip plane or planes at depth and they have two extensometers to measure if any additional movement occurs. They are also performing LIDAR surveys as well. Check out the videos below.
A 300 foot wide frozen debris flow has been moving towards an important Alaska highway and the Trans-Alaska pipeline at a rate of about 1-cm per day…and it seems to be accelerating. The ‘Frozen Debris […]
Thousands of cute, cuddly rabbits like the one pictured here are having quite an impact on the Scottish Island of Canna. These critters, estimated to number around 16,000 (compared to the human population of 12 […]