Scud Glacier: aerial images of the 2020 rock avalanche in British Columbia in Canada.

Over the last few days new sets of images have been posted online of the enormous impact of the landslides that affected parts of British Columbia a week ago, caused by an exceptional rainfall event. 

An atmospheric river rainfall event on Sunday and Monday caused large numbers of landslides in British Columbia, Canada.

Taku River: another very large landslide in British Columbia, Canada. A Facebook user, Darryl Keith Tait, has posted images and video of the aftermath of a huge rockslope failure.

The Old Fort landslide in British Columbia is an 8 millon cubic metre earthflow that has caused the evacuation of the village of Old Fort

In a paper just published, Clayton et al. (2017) describe the Mitchell Creek landslide, a very large rockslide in Canada triggered by glacial debuttressing

The Pemberton Portage Road landslide was a channelised debris flow, triggered by heavy rain, that destroyed a house in Birken, BC, Canada on Sunday

Thanks to Robin Beech for the heads-up on this one.  CBC News is reporting a large landslide at Meager Creek, a hot springs area north of Pemberton: “A two-kilometre-wide landslide has been reported near Meager Creek Hot Spring, about 95 kilometres north of Pemberton, B.C. The flow of rock and soil debris has covered a river in the area, causing water to become dammed upstream of the slide.  Authorities say …

Thanks to a number of people for bringing this one to my attention.  The community of Oliver in British Columbia yesterday suffered an impressive mud and debris flow that is reported to have destroyed five homes (images from the Vancouver Sun): The flow has clearly come out of a deeply incised gully in the mountains: A perspective view of the excellent Google Earth imagery of this area is rather helpful: …

Hat tip to Scott McDougall, Erik Eberhardt and Andrew Giles, all from Canada, for this one. Many readers will be familiar with the classic book “Rock Slope Engineering” by Evert Hoek, which still represents the bible for understanding the mechanisms of failure of hard rock slopes. The cover of the original version featured a photograph of a 1965 rock slope failure on the so-called “Sea to Sky” highway in British …