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

8 February 2016

Taking responsibility for disaster risk reduction

The recent Taiwan earthquake and the Samarco tailings dam failure both illustrate the critical role of individual responsibility in disaster risk reduction

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4 February 2016

Landslides near Muzaffarabad from the 2005 Kashmir earthquake

The 2005 Kashmir earthquake in Pakistan triggered large numbers of landslides. Google Earth imagery illustrates their dramatic impacts

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27 January 2016

Landslides in Chile 4: The Punta Cola rock avalanche in Aysén Fjord

Triggered by the Mw 6.2 Aysén earthquake in Chile on 21 April 2007, the Punta Cola rock avalanche has a volume of 22.4 million cubic metres

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20 January 2016

Landslides in Chile Part 2: Las Cortaderas

High in the Andes in central Chile lies the Las Cortaderas Landslide complex, the most recent portion of which was triggered by an earthquake in 1958

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17 January 2016

Landslides in Chile Part 1: Arauco

In September 2010 a M=8.8 earthquake struck Arauco in Chile. These landslides are part of our Newton Fund project on earthquake induced landslides in Chile.

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11 January 2016

The weirdness of Mass Ejection Landslides in China

In the 2008 Wenchuan earthquake, a small number of mass ejection landslides have been described. Strangely, these have never been observed elsewhere.

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17 December 2015

Music of the Earth

Stanford University’s Miles Traer, once again, is cartooning from the AGU Fall Meeting in San Francisco.

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19 November 2015

Lefkada: dramatic landslides from the earthquake on 17th November

The M=6.5 earthquake off the coast of Lefkada in Greece on Tuesday induced dramatic landslides, caught on video, that have covered the famously beautiful Egremni Beach

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4 November 2015

My latest paper: hillslope preconditioning

In a new paper, we examine the distribution of landslides from two earthquakes in New Zealand to see if hillslope preconditioning – the idea that the legacy of one trigger event can influence slope behaviour ins subsequent event – occurred. The results suggest that this might have been a factor in the area affected by both earthquakes,

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2 November 2015

A roundup of new landslide videos

A round up of new landslide videos that have appeared on Youtube in the last fortnight, with examples from Switzerland, Mexico and Pakistan

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28 October 2015

Landslides from the Afghanistan earthquake on Monday

Some interesting videos and images are now emerging of landslides and rockfalls triggered by the M=7.5 Afghanistan earthquake on Monday

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26 October 2015

Indian slab lurches downward beneath Afghanistan

As I walked into the department this bright brisk morning, coffee cheerily in hand, the live global seismogram display in the atrium caught my eye with an alarming event that had just happened during my bike ride into work. BIG earthquake, somewhere in the vicinity of Central/Southern Asia. Indeed, an earthquake deep (>200 km) beneath the Hindu Kush mountains of Afghanistan had shaken a huge swath of Central and South …

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5 October 2015

The seismically triggered landslide dam in Honshiyan, Yunnan, China: a review of a new paper

In a just published paper, Zhang et al. 2015 describe the emergency works undertaken to mitigate the seismically triggered landslide dam at Honshiyan, Yunnan in China in 2014.

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30 September 2015

Rockfall and landslide damage in the Port Hills from the Christchurch earthquake sequence

Demolition has started of properties damaged by landslides in the Port Hills area of Christchurch during the 2010-2011 earthquakes. This post shows some of the photographs that I took shortly afterwards.

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24 September 2015

Chile keeps having earthquakes

…and keeps surviving them barely scathed. Chile has this year been rocked by its 3rd Great earthquake this century–its 14th if you include the last. Though the earthquake’s magnitude and the resulting Pacific-wide tsunami earned it headlines, it was a very mild earthquake in the global scheme of seismic impacts. This has a bit to do with the nature of offshore, subduction zone earthquakes, and a LOT to do with …

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17 August 2015

Wake-up call from the Hayward Fault

During a brief visit to California this week, I, along with a metroregionfull of people, was treated to a rattling little temblor from the Hayward Fault. The quick jolt struck conveniently just before everyone’s morning alarms went off, serving as a wakeup call for the day, and as this season’s broader “wakeup call” reminder that there are big active seams in the crust inching along around and below our cities. …

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29 May 2015

Views of strong shaking in Nepal and what they teach us

When the ground shook throughout Nepal in April, it was neither predicted nor surprising–the paradox of inevitable but chaotic large earthquakes within well known seismic zones. Though warnings of Nepal’s catasrophic earthquake risk have been sounded for years, and though this magnitude 7.8 and its energetic 7.3 aftershock wrought plenty of death, destruction, and tragedy, scientists are finding themselves somewhat surprised at the apparently rather limited degree of overall damage …

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6 May 2015

It’s 2015. We respond to earthquakes from space.

The seismic waves ringing out from Nepal on April 25 reached sensors around the planet, mobilizing a vast, remote response that’s truly a sign of the times in modern seismic disaster recovery. While Kathmandu and the surrounding towns and villages stood shocked and crippled by the now-named Gorkha earthquake, satellites sweeping by overhead quickly gathered a picture of the scene, transmitting intricate detail of the disaster to the world with …

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25 April 2015

Where To Get Some Good Science on The Nepal Quake

I thought I would put together a few links to some good early science reporting on the Nepal Quake. First up is Dave Petley’s Landslide Blog here on the AGU Blogosphere. Dave has some good basic facts on the quake. The Washington Post has a good piece that quotes Geologist Roger Bilham who is an expert on quakes in this region, and he says that this was a severe quake …

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17 April 2015

Tearing through California Part 1: the Central San Andreas

On display in central and northern California is the rare and troublesome phenomenon that’s the mischievous cousin to sudden, wrenching earthquakes: slow, steady fault creep. Rather than remaining pressed firmly together until they lurch past each other in violent earthquakes, the two sides of a creeping fault glide gradually along, generally silently carrying along everything above them. The good news is that this process takes up strain that would otherwise be …

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