You are browsing the archive for USA Archives - AGU Blogosphere.

18 January 2017

The Mount Sulzer avalanches: the amazing video

The fourth of the Mount Sulzer avalanches, which occurred in August 2016, was captured in a remarkable video by Luke Wassink, a National Park Ranger

Read More >>


17 January 2017

Mount Sulzer – a series of dramatic, and extremely large, debris and ice avalanches

Over the last three years a series of dramatic, and extremely large, debris and ice avalanches have occurred on Mount Sulzer in Alaska

Read More >>


11 January 2017

The 1906 Haverstraw landslide

The 1906 Haverstraw landslide This week marked the 111th anniversary of the disastrous Haverstraw landslide in Rockland County, New York, which killed 19 people.  The disaster was caused by the folly of humans, chasing wealth to be made from the excavation of glacial blue clay, ideal for brick making.  At the height of the industry there were an estimated 3,000 labourers making 350 million bricks per year in Haverstraw.  Over …

Read More >>


19 December 2016

Big French Creek: a high quality new landslide video

Last week a rockslide on Highway 299W at Big French Creek in California was caught on video. The road remains closed as a result of the landslide

Read More >>


7 December 2016

The Icy Bay landslide in Alaska: a nice video describing the link with glacial melting

. The Icy Bay landslide in Alaska A very nice video has been posted on Youtube describing the link between the giant Icy Bay landslide in Alaska in 2015 (this landslide is also variously known as the Taan Fjord landslide and the Tyndall Glacier landslide), which is the largest known recent landslide in North America, and the melting of the adjacent glacier.  The video features Dr Michael Loso, physical scientist …

Read More >>


5 December 2016

Lidar – the amazing landslide mapping tool

An example from Washington State in the USA illustrates how Lidar is transforming the mapping of landslides in vegetated areas

Read More >>


10 November 2016

Planet Labs satellite image of the Lamplugh Glacier landslide

Planet Labs have collected a very high quality satellite image of the Lamplugh Glacier / Glacier Bay landslide in Alaska last June

Read More >>


7 September 2016

Why maintaining forest roads is important – a large landslide triggered by a small culvert failure

Why maintaining forest roads is important – a large landslide triggered by a small culvert failure in the Six Rivers National Forest in California

Read More >>


17 July 2016

Glacier Bay Landslide in Alaska: a satellite image and new videos

A new satellite image and two new videos are available of the enormous Glacier Bay landslide in Alaska, which occurred a few weeks ago

Read More >>


3 July 2016

Lamplugh Glacier rock avalanche: A massive new landslide in Alaska on Tuesday

On Tuesday 28th June a 150 million tonne landslide, the Lamplugh Glacier rock avalanche, occurred in Alaska. This enormous landslide travelled 10 km across the ice.

Read More >>


9 June 2016

The response of Californian earthflows to drought

In a paper in Geophysical Research Letters, Georgie Bennett and colleagues have examined the response of Californian earthflows to the ongoing drought. They have found that the landslide have slowed markedly as conditions have become drier.

Read More >>


8 June 2016

Copiah County: a fatal landslide accident in a gravel quarry

On Friday a landslide occurred in Copiah County in Mississippi, killing two workers. Recovery operations are proving to be difficult.

Read More >>


6 June 2016

Granbury, Texas: a lakeside landslide that threatens an apartment block

In Granbury, Texas a landslide over the weekend is threatening an apartment block, home to 16 families. The cause of the landslide is unclear.

Read More >>


13 May 2016

New landslide videos from the last few days, including an impressive rockfall at Mont Granier

Two new landslide videos have appeared on Youtube, including an impressive rockfall last weekend on Mont Granier in the French Prealps and a smaller collapse at Swimmer’s Delight in California

Read More >>


11 April 2016

The Tyndall Glacier landslide: images from the University of Alaska Fairbanks

Chris Larsen from the Geophysical Institute of the University of Alaska Fairbanks has released a set of aerial images of last year’s Tyndall Glacier landslide and tsunami in Taan Fjord in Alaska. This was the largest historic landslide in North America.

Read More >>


1 April 2016

Landslides in Art Part 25: Richard Humphrey

This 25th edition of the Landslides in Art series features Morning at Bluff Cove by the Californian landscape artist Richard Humphrey

Read More >>


30 March 2016

Rockfall triggering on warm days in exfoliating landscapes

In a new paper in Nature Geoscience, Collins and Stock (2016) have shown that thermal expansion can be a key factor in rockfall triggering in Yosemite

Read More >>


20 March 2016

Chelan County: A landslide near Wenatchee triggers evacuations

Near to Wenatchee in Chelan County, Washington State a landslide has developed that is now threatening over 20 houses, ileading to evacuations.

Read More >>


12 March 2016

Nasty dancing rocks: boulders in Glenwood Canyon

A new video from Glenwood Canyon in Colorado shows nasty dancing rocks – boulders rolling down a steep slope. The potential for damage is huge.

Read More >>


29 February 2016

Elk City landslide: a very interesting video

On 18th February the Elk City landslide, a large rockslide, was captured on video by a transportation worker in Idaho, USA

Read More >>