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13 September 2018
Typhoon Mangkhut, Hurricane Florence and the earthquake in Hokkaido
In a short space of time, Typhoon Mangkhut, Hurricane Florence and the earthquake in Hokkaido all have the potential to generate large numbers of landslides
10 September 2018
Frozen debris lobes: an interesting hazard in Alaska
Frozen debris lobes: an interesting and significant hazard for the Dalton Highway in Alaska. Parts of the road are being realigned to manage the hazard
23 July 2018
Leach XPress: a landslide caused a pipeline explosion on 7th June 2018
A huge explosion on the Leech Xpress pipeline in West Virginia on 7th June 2018 was caused by land subsidence, which appears to be a technical term for a landslide, where the pipeline was crossing a steep ridge
15 June 2018
Kilauea volcano: large-scale slumping on the rim of Halema‘uma‘u crater
As a part of the ongoing eruption at Kilauea volcano in Hawaii large-scale slumping is occurring around the margins of Halema‘uma‘u crater. This is perhaps the finest example of non-rotational slumping that I have ever seen.
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
17 January 2018
The fascinating Rattlesnake Hills landslide in Washington State
The Rattlesnake Hills landslide in Washington State has continued to develop over the last few days. The movement pattern of the landslide appears to be highly complex
16 January 2018
Satellite images of the Montecito debris flows in California
Last week significant debris flows struck the Montecito area of California, causing at least 20 fatalities. Planet Labs have now captured medium and high resolution images of the area affected.
3 January 2018
Rattlesnake Ridge: a large failure forming in Washington State, USA
Over the last three months a large tension crack has developed on Rattlesnake Ridge south of Yakima in Washington State, USA, defining a landslide with a volume of about 3 million cubic metres
5 October 2017
Hurricane Maria: USGS landslide impact maps from Puerto Rico reveal the extent of the devastation
The USGS has started to release maps of landslide impacts in Puerto Rico that have resulted from Hurricane Maria. The damage level is very high.
12 September 2017
Increasing rock avalanche size and mobility in Alaska may be associated with climate change
A new paper (Coe et al. 2017) strongly suggests that the cluster of 24 rock avalanches since 1984 in S. Alaska may be associated with rock permafrost degradation
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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