Devil’s Slide Tunnel Update and First Attempts to Tame the Landslide
Geologic Hazards
Apartment Building in China Collapses After Landslide
A nine story apartment building in Guiyang city, China collapsed last week following heavy rains. Officials noted a landslide or mudslides were the apparent cause. There were as many as 16 people missing as rescuers […]
Geologic Hazards
2023 Black’s Beach Landslide Video – EPIC!
I recently came across some a fascinating EPIC video that captured a landslide more or less from start to finish, a span of around 6 minutes. The landslide occurred in San Diego County, California at […]
Geologic Hazards
Devil’s Slide Repair and Tunnel Bypass Presentation
[Updated Thursday May 29, 2009 – 1:00 PM PDT] Added a photo of the AIS Kaiser S2 excavator (spider excavator), and added photos of the Devil’s Slide debris dump where they have put the landslide material removed and the material from the tunnel excavation. [/Update]
Grant Wilcox, Geology Branch Chief with CALTRANS Office of Geotechnical Design West gave a presentation on the Devil’s Slide repair along PCH Highway 1 at the Southwest Geotechnical Engineer’s Conference on May 12 in Phoenix. I’ve posted about the project here before. When I saw Mr. Wilcox, I knew he looked familiar but I couldn’t figure out why. At the beginning of his presentation he made light of his being on You-Tube…then it clicked! He gave a nice overview of the history of the failures, the geology, and the tunnel project. What follows are a few quick tidbits from his talk based on my notes. (Photo via Caltrans site).