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4 February 2019

The speed of the Brumadinho tailings dam landslide

The two important videos showing the Brumadinho tailings dam landslide allow some estimates to be made of the speed of the movement.

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22 August 2017

The Zuta Village landslide: another example of a high mobility slide

In July the Zuta Village landslide in Hunan Province, China killed nine people. This was another spectacular example of a high mobility landslide

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3 June 2015

Pharkant, Burma: a liquefaction landslide in mine tailings (with a stunning video)

Two videos have appeared on Youtube showing an amazing liquefaction landslide in mine wastes in Pharkant, Burma in April

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22 July 2013

Landslides and liquefaction from the Cook Straits earthquake yesterday

The Cook Strait earthquake sequence of the last three days has generated a small number of landslides and liquefaction failures

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17 March 2011

Liquefaction from the Sendai earthquake – a remarkable video

A remarkable video has emerged on Youtube showing liquefaction occurring in real time during the Sendai earthquake.

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18 January 2010

Haiti Earthquake – video of the liquefaction damage to the main dockyard in Port-au-Prince

Following up on my post yesterday on the nature of the liquefaction damage to the main container port in Port-au-Prince, CNN has a video from the site. The video is here:http://edition.cnn.com/2010/WORLD/americas/01/15/haiti.harbor/index.html The recording appears to have been shot in this area (this is the post earthquake Google Geoeye imagery): The video clearly shows the liquefaction features, the collapsed wharves and the damaged cranes and notes how much work is needed …

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16 January 2010

Earthquake-triggered liquefaction damage to the docks at Port-au-Prince in Haiti

UPDATE: there is a video of this site here. One of the major impacts of large earthquakes in coastal areas can be the damage to dock facilities caused by liquefaction. The process of seismic liquefaction is well-explained elsewhere, so I won’t reprise that here. However, if liquefaction does occur then high levels of damage can occur to the very facilities needed to bring aid into the affected area. Given the …

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27 October 2009

Animation of Seattle harbour liquefaction failures

Youtube has a rather cool video of an animation of the effects of a large earthquake on the harbour side area of Seattle. The main point is I think to show the effects of the earthquake on the elevated roadway, but it also shows liquefaction failures of the fill behind the sea wall: Pretty neat – certainly a useful teaching tool.

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20 July 2009

Update: the Nachterstedt landslide

This is an update with the latest news about the Nachterstedt landslide. The original post is here. Further information has now emerged about the slide. This is summarised below. 1. The slide occurred in spoil from the mining operations. In a comment in the original post, Florian Jenn (see his blog here) noted that the slide occurred in spoil dumped from earlier mining operations. This is consistent with the pictures, …

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