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You are browsing the archive for North America Archives - Page 2 of 2 - AGU Blogosphere.

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

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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

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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.

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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

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12 April 2016

The 29th March 2016 Renfrew County landslide near to Ottawa, Canada

On 29th March 2016 the Renfrew County landslide occurred on the banks of the Bonnechere River near to Ottawa. This is a large (10 hectare) landslip.

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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.

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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

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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

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3 February 2016

New landslide videos: Aconcagua (again), Muothatal and Pacifica

Three new landslide videos, including a debris flow from Aconcagua, an earthflow from Muothatal in Switzerland and coastal erosion in Pacifica

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12 January 2016

A major rockslide on US2 near Wenatchee

A major rockslide has blocked US2 near to Wenatchee in Washington State, USA. The landslide appears to be a wedge failure in a jointed rock mass

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2 January 2016

The Tyndall Glacier landslide in Alaska: the largest recorded non-volcanic landslide in North America

In October 2015 the 72 million cubic metre Tyndall Glacier landslide in Alaska generated a significant tsunami that swept down the Taan Fjord.

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19 December 2015

Florence, Oregon: a fatal landslide triggered by intense rainfall

Early on Friday morning a landslide triggered by heavy rainfall killed a woman near to Florence in Oregon, NW USA

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17 December 2015

First news of a rock avalanche on Mount James Turner yesterday

Drew Brayshaw has tweeted images of a dramatic large rock avalanche that occurred on the flanks of Mount James Turner yesterday

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15 December 2015

Tillamook in Oregon: crowd sourcing a landslide repair

Near to the town of Tillmook, Oregon a rainfall-triggered landslide has severely damaged a small community, who are trying to crowd fund a repair

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14 December 2015

Fort McPherson: a catastrophic mudflow in Canada

In the summer a permafrost mudslide caused the partial breach, caught on video, of a small lake near Fort McPherson in Canada.

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30 October 2015

The Big Horn Mountains landslide in Wyoming

In the last fortnight the Big Horn Mountains landslide had developed in Wyoming, creating an enormous canyon-like tension crack

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