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21 January 2022

Murgame: a debris flow game from the WSL

The Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) has written an interactive game, Murgame, that highlights the risks associated with debris flows to mountain communities


5 July 2021

The Atami mudslides in Japan

The Atami mudslides in Japan Over the weekend there was considerable attention paid to the remarkable videos of the mudflows in Atami, Japan.  This one in particular gained traction:- [embed_video width=”800″ height=”600″][/embed_video] . But there are several others, which are helpfully combined into a compilation here: [embed_video width=”800″ height=”600″][/embed_video] . I particularly draw your attention to the excerpt that begins at 8 minutes 16 seconds into the second video (the …


8 February 2021

The catastrophic landslide and flood in Chamoli in Uttarakhand: the sequence of events

The catastrophic landslide and flood in Chamoli in Uttarakhand: over the last 24 hours, using @Planet Labs and other images, we have crowd-sourced the sequence of events


28 August 2020

Devastating debris flows in Charikar, Afghanistan

On 26 August 2020 debris flows induced by intense rainfall hit Charikar in Afghanistan, killing at least 100 people.


14 August 2020

More information about the Pettimudi landslide in Rajmala, Kerala

The Pettimudi landslide in Kerala, India on 6 August 2020 was a c.2 km long channelised flow. It now appears that 66 people were killed.


11 August 2020

Landslides after wildfires

A new study (Rengers et al 2020) published open access in the journal Landslides examines failures in areas affected by recent wildfires in California.


7 May 2020

Planet Labs high resolution image of the Chesegon, West Pokot landslides

Planet Labs have captured wonderful high resolution SkySat imagery of the 17 April 2020 channelised debris flows at Chesegon, Kenya.


16 March 2020

An analysis of the Piz Cengalo landslide

A new open access paper (Mergili et al. 2020), analyses the deadly 2017 Piz Cengalo rock avalanche and debris flow in Switzerland, which killed eight people


4 March 2020

Baixada Santista: significant landslides in Brazil this week

Heavy rainfall on 2 and 3 March 2020 triggered many landslides in the urban area of Baixada Santista in SE Brazil, killing at least 18 people.


27 February 2020

Breaking News: a catastrophic glacier collapse and mudflow in Salkantay, Peru

Breaking News: a catastrophic glacier collapse and mudflow has killed at least 4 people, and left 13 missing, in Salkantay, Peru


28 November 2019

West Pokot: a landslide disaster in Kenya

Extremely heavy rainfall affected West Pokot in Kenya on 23 and 24 November 2019, triggering extensive landslides that have caused at least 50 fatalities


25 November 2019

Savona: a landslide-induced bridge collapse in Italy

Yesterday, a landslide struck an elevated section of the A6 motorway on the road between Savona and Turin in Italy, causing the roadway to collapse


8 August 2019

The South Tahoma Glacier/Tahoma Creek Outburst Flood & Debris Flow on 5th August 2019

Mount Rainer debris flow:- On Monday 5th August 2019, an outburst flood and debris flow occurred in four major pulses at Mount Rainier National Park.


19 July 2019

Chamoson: a dramatic debris flow video from last year in Switzerland

Today I stumbled across a dramatic debris flow video, shot in Grugnay in Chamoson, Switzerland in August 2018, which illustrates the mobility of such events


21 June 2019

Debris Flow Hazards Mitigation: Mechanics, Monitoring, Modeling and Assessment

Debris Flow Hazards Mitigation: Mechanics, Monitoring, Modeling and Assessment:- the proceedings of the recent international conference are available online


20 June 2019

Arakli: devastating debris flows in Trabzon province in Turkey yesterday

Intense rainfall yesterday (19 June 2019) in Turkey triggered a series of devastating debris flows in Arakli, close to the Black Sea coast, killing up to 14 people.


18 April 2019

A dramatic debris flow video

A new video posted to Youtube shows a debris flow cascading over a cliff above a mountain road, with a trapped 4×4. The location and timing are unclear.


29 March 2019

The Mocoa Debris Flow: an analysis of the causes and effects

A detailed analysis has been published in the journal Landslides of the 2017 Mocoa Debris Flow in Colombia, which killed 409 people.


26 March 2019

NASA Earth Observatory imagery of the Chimanimani landslides in Zimbabwe

Yesterday NASA posted imagery of the Chimanimani landslides in Zimbabwe, triggered by Cyclone Idai. The images show multiple channelised debris flows.


20 March 2019

Cyclone Idai: evidence of the impact of landslides and debris flows

Cyclone Idai: evidence of the impact of landslides and debris flows As the true magnitude of the likely costs of Cyclone Idai across southern Africa becomes clear, some images are emerging that indicate that in some areas landslides may have been a significant part of the problem, in Zimbabwe at least.  This is directly indicated in a few news reports – for example, it has been widely noted that two …