The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Yesterday, I posted about the landslide disaster that struck Malalak in Sumatra at the end of November 2025. Unfortunately, that is just a tiny component of the catastrophe that has occurred in […]
Southeast Asia
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The terrible landslide destruction at Malalak, Agam regency, West Sumatra province, Indonesia
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. In the last few days on November 2025, Cyclone Senyar brought torrential rainfall to parts of Indonesia, and in particular to Sumatra. At the time or writing, at least 1,022 people are […]
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A Cryobank Network Grows in the Coral Triangle
As the ocean becomes increasingly inhospitable for corals, researchers in the Coral Triangle are turning to cryopreservation to freeze, thaw, and save the region’s hundreds of coral species.
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Full Planet imagery of the 4 November 2025 landslide at Mae Moh Mine in Thailand
Over the weekend, Planet captured near-perfect images of the Mae Moh Mine landslide in Thailand. Last week, I posted a set of Planet satellite images that captured most of the 4 November 2025 landslide at Mae Moh Mine in Thailand. However, there was considerable cloud in the imagery, which prevented a full understanding of the […]
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Planet imagery of the 4 November 2025 landslide at Mae Moh Mine in Thailand
Planet imagery shows the massive coal waste landslide at Mae Moh Mine. The failure was about 4.8 km long and 1.4 km wide As I noted in an earlier post on this blog, at about 4 am on 4 November 2025, a very large landslide occurred in a coal waste pile at the Mae Moh […]
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The 4 November 2025 landslide at Mae Moh Mine in Thailand
A landslide in coal waste covering about a square kilometre was triggered by heavy rainfall. At about 4 am on 4 November 2025, a very large landslide occurred in a coal waste pile at the Mae Moh Mine in Thailand. This is an extremely large coal mining site that is co-located with electricity generating plants. […]
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The 31 October 2025 landslide at Kukas in Enga Province, Papua New Guinea
An early morning landslide, triggered by heavy rainfall, killed at least 22 people in rural PNG. At about 2 am on 31 October 2025, a landslide struck a rural community at Kukas in Enga Province, Papua New Guinea. News reports suggest that it was triggered by heavy rainfall and that 22 bodies have been recovered […]
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The 22 November 1815 Gejer Bali disaster
A new paper (Faral et al. 2025) provides details of a seismically-triggered landslide cascade and tsunami that killed up to 12,000 people. On 22 November 1815, a very significant landslide disaster occurred in Bali, in what is now Indonesia, killing between 10,000 and 12,000 people. A very interesting new paper (Faral et al. 2025) in […]
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Multiple rainfall-triggered landslides in Ho Bon commune Vietnam in August 2023
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. […]
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Bukit Mantri: a mine waste facility failure in Malaysia
On 17 May 2025, a failure occurred in a mine waste facility at the Tawau gold mine in Malaysia. Images suggest that this might have been an overtopping event in a contaminated water storage pond. On 17 May 2025, there was a failure of a mine waste storage facility at Bukit Mantri in Malaysia. The […]