Avalanche snow with disturbed vegetation in runout zone. Photo credit: Colorado Geological Survey.|SP-39 The Snowy Torrents: Figure 12. Accident 81-21 Hazards, Publications February 9, 2021 The Snowy Torrents Here in Colorado, avalanche season is not over yet, and it’s been another deadly one with 26 fatalities so far in the US, six in the state. In that light, we thought we would re-release a publication that highlights at least one challenging aspect of Colorado snowfall — that is,…
Looking up the avalanche chute along Henson Creek in Hinsdale County Hazards July 14, 2020 Colorado Scientific Society lecture online TITLE: Historic Avalanches in Hinsdale County, Colorado: Impacts to Lake City, old mining dams, and new evidence for the association of snow-and-rock avalanches as a means of forming rock glaciers Jon Lovekin, one of our engineering geologists will make a Zoom presentation on the unprecedented geohazard that unfolded during the…
The gas well pad near the terminus of the West Salt Creek rock avalanche (flow direction right to left) Hazards, Publications January 23, 2017 Top-Ten paper at GSA On May 25, 2014 the longest landslide in Colorado’s historical record occurred in west-central Colorado, six miles (10 km) southeast of the small town of Collbran in Mesa County, taking the lives of three local men. The landslide was 2.8 miles (4.5 km) long, covering almost a square mile (2.6 km2) of the West Salt…
Avalanche debris in the runout zone taken from a helicopter on the morning after the avalanche occurred Hazards March 24, 2003 Case Study: Avalanche – Silver Plume On March 23, 2003, a large avalanche occurred about one mile west of the Town of Silver Plume. The avalanche brought trees, rock, soil and snow to the valley floor, knocked down overhead utility lines, blocked the I-70 frontage road, damaged the town’s water treatment plant (WTP), and dammed Clear Creek. The dam was breached using explosives before the plant’s electric pump motors were flooded. With damage to the WTP’s chlorine contact tank and building, Silver Plum...