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The 25 June 2025 landslide at Granizal in Colombia.
Posted inThe Landslide Blog

The 24 June 2025 landslide at Granizal near to Medellín, Colombia

by Dave Petley 26 June 202526 June 2025

A major landslide has occurred in the vicinity of Altos de Oriente and Manantiales, near to Medellín and Bello, in Colombia. It is believed that about 25 people died. On 24 June 2025 at 3:20 am, a large landslide occurred in the vicinity of Altos de Oriente and Manantiales, near to Granizal in Colombia. At […]

The aftermath of the 24 June 2025 landslide at Houzihé Grand Bridge in Guizhou, China.
Posted inThe Landslide Blog

The 24 June 2025 landslide at Houzihé Grand Bridge in Guizhou, China

by Dave Petley 25 June 202525 June 2025

A significant landslide has destroyed a major bridge on the Xiarong Expressway in Guizhou, China. On 24 June 2025, intense rainfall triggered a significant landslide at the site of the Houzihé Grand Bridge, which is a part of the Xiarong Expressway (a key road that is also known as Xiamen–Chengdu Expressway (route G76). The landslide […]

The aftermath of the 3 August 2025 debris flow in the Ridi valley.
Posted inThe Landslide Blog

The 3 August 2024 debris flow in the Ridi valley, Kangding, Sichuan Province, China

by Dave Petley 23 June 202523 June 2025

27 people were killed by a massive channelised debris flow in China last year. On 3 August 2024, a large debris flow occurred in the Ridi valley, Kangding, Sichuan Province, China. This event is described in a paper (Cheng et al. 2025) just published in the journal Landslides. Whilst the paper itself is behind a […]

Satellite image of the aftermath of the August 2023 landslides to the south of Ho Bon commune in Vietnam.
Posted inThe Landslide Blog

Multiple rainfall-triggered landslides in Ho Bon commune Vietnam in August 2023

by Dave Petley 16 June 202516 June 2025

Between 4 and 6 August 2023, intense rainfall triggered at least 346 landslides in the area around Ho Bon commune in Mu Cang Chai district, Yen Bai province in Vietnam I have written frequently on this blog about clusters of rainfall-induced landslides. Another really interesting example has been highlighted in a paper (Toan et al. […]

The 1 June 2025 landslides at Chaten in Sikkim, India.
Posted inThe Landslide Blog

The 1 June 2025 landslides at Chaten in Sikkim, India

by Dave Petley 3 June 20253 June 2025

Nine people have been killed in a series of landslides, triggered by heavy rainfall, that have struck an army camp. At about 7 pm local time on 1st June 2025, a series of landslides struck an army camp at Chaten in the Lachen District of Sikkim in India. It is believed that nine people have […]

A satellite image showing dark green tropical forest in Mato Grosso, Brazil, with blocky areas that have been deforested. The light green patches are now cattle ranches, while the yellow-brown areas are exposed soil. There are also dots of small clouds over the area.
Posted inResearch Spotlights

Deforestation Is Reducing Rainfall in the Amazon

Sarah Derouin, Science Writer by Sarah Derouin 19 May 202519 May 2025

Researchers found that between 2002 and 2015, a 3.2% reduction in Brazilian forest cover led to a 5.4% reduction in precipitation levels.

Landslides triggered during the 1954 rainfall event on the Amalfi Coast in Italy.
Posted inThe Landslide Blog

The 25 October 1954 landslide disaster on the Amalfi Coast of Italy

by Dave Petley 30 April 202530 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 have frequently highlighted the growing impact of multiple landslide events triggered by extreme rainfall around the world. Whilst there is little doubt that such events are becoming more common, they have […]

A desert landscape with a river valley
Posted inNews

Climate Shifts Drive Episodic Drainage Changes

by Caroline Hasler 14 April 202514 April 2025

Drainage divide migration is influenced by tectonics and climate over long periods. New research in Israel shows that even shorter-term wet-dry cycles can move divides.

The vehicle on which the two people were travelling, found 800 m away from the impact point San Felice a Cancello. Image from the Italian Fire Brigade: www.vigilfuoco.tv.
Posted inThe Landslide Blog

The 27 August 2024 post-fire debris flows in San Felice a Cancello, Italy

by Dave Petley 9 April 20259 April 2025

Guest post by Giuseppe Esposito and Stefano Gariano The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. In a recent article published in the journal Landslides, Esposito and Gariano (2025) describe the first post-fire debris flow event with fatal consequences recorded […]

Muddy floodwaters flow through a ravine. People in bright orange and yellow raincoats assess damage near a green house on an eroded hillside.
Posted inNews

An Atmospheric River Exacerbated Türkiye’s 2023 Earthquake Crisis

by Andrew Chapman 8 April 20258 April 2025

A new study reveals how an atmospheric river led to more devastation after two earthquakes hit Türkiye and Syria, highlighting the need for better risk assessment models.

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Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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