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21 July 2022
Mudflows at the site of the Pipeline Fire in Arizona
Last week, heavy rainfall triggered mudflows, captured on video, from the scar of the Pipeline Fire in Arizona
19 July 2017
Cold Springs swimming hole: a mudflow tragedy in Arizona
On Sunday a mudflow swept through the Cold Springs Swimming Hole in Arizona. Ten people swimming at the popular site were washed away and killed.
7 September 2015
Glen Canyon Dam in Arizona – an interesting rockfall problem
A joint rock block is forming close to the Glen Canyon Dam in Arizona, threatening infrastructure at the foot of the slope. The US Bureau of Reclamation are involved in an extraordinary project to try to stabilise it.
22 February 2013
The Bitter Springs landslide in Arizona, USA
A large reactivated landslide has blocked US89 at Bitter Springs in Arizona, USA. This has been comprehensively described in a number of brilliant posts in the Geoblogosphere
4 February 2009
Virtual field trip – the Marcus landslide in Arizona
The Arizona Geological Survey have created a rather nice virtual field trip and very useful virtual field trip about the Marcus landslide in Arizona. It is available here: http://www.azgs.az.gov/MarcusLandslide_2008.shtml The slide is a 500,000 year old rock slide that has has a length of about 2 km from scarp crown to deposit toe (see Google Earth image below) and a deposit volume of about 5.25 million cubic metres. The elevation …
22 December 2008
Landslide on State Route 87, Arizona
Arizona Geology, the Blog of the Arizona State Geologist Lee Allison, has a new post highlighting the reactivation of an ongoing slope failure on Highway 87, which links Phoenix with the town of Payson. Movement on this slope was first noted in March 2008, whereupon emergency works were initiated to try to reduce the immediate hazard. Nonetheless, the road was closed for six days at that time. The failure is …
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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