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South America

一张黑白卫星图像显示一条小河从一条大河中分出。
Posted inResearch Spotlights

那些科学上认为不应该存在的河流

by Rebecca Dzombak 8 May 20258 May 2025

乍一看,这些水道似乎毫无意义。一篇新的评论文章详细阐述了它们为何如此存在。

Posted inThe Landslide Blog

Images of the source of the 28 April 2025 landslide / GLOF at Vallunaraju in Peru

by Dave Petley 8 May 20258 May 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. A few days ago I highlighted the severe landslide and GLOF that occurred on the flanks of Vallunaraju in Peru, on 28 April 2025, which caused substantial damage and at least two […]

Planet Labs image of the downstream impacts of the 28 April 2025 Glacial Outburst Flood (GLOF) / landslide at Vallunaraju in Peru.
Posted inThe Landslide Blog

The 28 April 2025 Glacial Outburst Flood (GLOF) / landslide at Vallunaraju in Peru

by Dave Petley 2 May 20252 May 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 28 April 2025, a major debris flow travelled down a channel from a major mountain, Vallunaraju, striking the communities lower down the slope. At least 100 houses were destroyed and two […]

Map of a study region and photo of a canoe in a river.
Posted inEditors' Highlights

Strange Branching of Water Flows Through Rivers and Lakes

by Georgia Destouni 8 April 20253 April 2025

Sometimes rivers split into branches in unusual ways, reflecting the complexity of Earth’s water system on land and how much we still must learn about it.

Google Earth image from July 2024 showing the 12 February 2021 Chunchi landslide in Ecuador.
Posted inThe Landslide Blog

The 12 February 2021 Chunchi landslide in Ecuador

by Dave Petley 4 April 20254 April 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. As landslides in Ecuador are currently in the news, it is interesting to reflect on perhaps the largest failure there in recent years. On 12 February 2021, the massive Chunchi landslide occurred […]

The source area of the 30 March 2025 landslide near to Chuanazana in Ecuador
Posted inThe Landslide Blog

A large landslide near to Chanazana in Nabón, Ecuador

by Dave Petley 3 April 20253 April 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. I highlighted yesterday that Ecuador is being very significantly affected by landslides triggered by high levels of rainfall at the moment. A good example occurred on 30 March 2025 close to Chanazana […]

A black-and-white satellite image shows a small river branching off from a larger one.
Posted inResearch Spotlights

The Rivers That Science Says Shouldn’t Exist

by Rebecca Dzombak 1 April 20258 May 2025

At first glance, these waterways make no sense. A new review article details why they are the way they are.

Retrogressive, rotational liquesfaction failures of tailings at Andavilque in Bolivia.
Posted inThe Landslide Blog

Video of the 16 March 2025 tailings landslide at Andavilque, Bolivia

by Dave Petley 19 March 202519 March 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. The impact of the 16 March 2025 tailings landslide at Andavilque, Bolivia continues to become apparent as the recovery operation is in full swing. News reports suggest that there were two fatalities […]

Satellite image of the aftermath of the 16 March 2025 tailings landslide at Andavilque in Bolivia.
Posted inThe Landslide Blog

Breaking news: a major tailings landslide at Andavilque in Bolivia

by Dave Petley 18 March 202518 March 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On Sunday 16 March 2025 at about 5 am local time a major failure of a tailings dam occurred at Andavilque, in Llallagua municipality, Potosí department in Bolivia. This was a really […]

Google Earth imagery from July 2011 showing the aftermath of the Collapa landslide in La Paz, Bolivia.
Posted inThe Landslide Blog

Landslide risk in La Paz, Bolivia

by Dave Petley 22 January 202522 January 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. AFP has posted a very good overview of the hazards posed by landslides in the capital city of Bolivia, La Paz (unfortunately it cannot be embedded). Located at a high elevation, characterised […]

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20 May 202520 May 2025
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Inferring River Discharge from Google Earth Images

20 May 202515 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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