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13 February 2018
Diatom ooze: the weak link in submarine landslides?
A new paper in the journal Geology (Urlaub et al. 2018) proposes that the key factor that allows giant submarine landslides maybe the combination of compressible diatom ooze and a capping layer of low permeability clay
12 February 2018
Juneau: a very large rockslope failure in Alaska in December 2016
A large rockslope failure occurred at Cowee Creek near to Juneau in Alaska in December 2016, inducing a 9 m high, 90 m wide displacement wave that travelled at least 13 km down the valley
8 February 2018
Predicting failure using ground-based radar and INSAR
In a new paper in Engineering Geology, Carla et al (2018) demonstrate how a combination of ground-based radar and INSAR could have been used to predict a major landslide in a copper mine
7 February 2018
Taroko Gorge: the potential effects of the M=6.4 Hualien earthquake yesterday
The M=6.4 Hualien earthquake yesterday in Taiwan occurred close to Taroko Gorge, which provides the alignment for the Central Cross Island Highway. This is a road that is prone to landslides and rockfalls. It will be fascinating to see how the slopes performed.
6 February 2018
The first submarine sackungen: a new paper
A paper just published in Geo-Marine Letters, Conway and Barrie 2018 – describes a new landslide type – the submarine sackungen – observed in the flanks of Douglas Channel in British Columbia
5 February 2018
Tijuana: a major landslide has destroyed 70 houses.
Last week a major landslide badly damaged the community of Lomas del Rubi in Tijuana in Mexico, destroying 70 houses. A new housing subdivision is under construction at the foot of the slope. There are suspicions that this may have been the trigger.
2 February 2018
Landslides in the Maipo Valley, Chile
As part of our Newton Fund project, I spent a few days in January looking at the giant landslides of the Maipo Valley in Chile. These are some of my photos of these amazing rockslides and rock avalanches
30 January 2018
Three landslide videos
It has been a while since I posted any footage, so here are three landslide videos, including one showing a very narrow escape for the passengers on a bus
29 January 2018
Rattlesnake Hills rockslide – anticipating future behaviour
The Rattlesnake Hills rockslide in Washington State continues to creep at an approximately constant rate. The key challenge now is to determine whether the slide can transition into a rapid failure eventThe Rattlesnake Hills rockslide in Washington State continues to creep at an approximately constant rate. The key challenge now is to determine whether the slide can transition into a rapid failure event
22 January 2018
The risk of landslides in Rohingya refugee camps in Bangladesh
Many of the Rohingya people, forced to leave Myanmar / Burma by ethnic cleansing, are now living in landslide prone locations in Bangladesh. Dramatic satellite images from Planet Labs illustrate the magnitude of the threat.
Dave Petley is the Vice-Chancellor of the University of Hull in the United Kingdom. His blog provides commentary and analysis of landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.
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