In November 2025, Cyclone Senyar generated extreme rainfall in parts of Sumatra, Indonesia, triggering thousands of landslides. Our new paper in the journal Current Biology demonstrates that these landslides might have a devastating impact on a critically endangered population of Tapanuli orangutan. In November 2025, Cyclone Senyar brought extreme rainfall to large parts of Sumatra […]
Indonesia
Posted inThe Landslide Blog
The 8 March 2026 garbage landslide at the Bantar Gebang Integrated Waste Processing Site in Bekasi, Indonesia
A major failure triggered by heavy rainfall killed seven people. On 8 March 2026, a moderately-sized garbage landslide occurred at the the Bantar Gebang Integrated Waste Processing Site in Bekasi, on the margins of Jakarta in Indonesia. The landslide, which occurred at 14:30 local time, reportedly struck a series of trucks associated with the dump. […]
Posted inThe Landslide Blog
The massive, developing gully at Pondok Balik in Indonesia
A massive gully has been developing over the last two decades at Pondok Balik. It now covers an area of over 3 hectares. In Indonesia, a massive and rapidly developing gully is causing considerable concern. Located at Pondok Balik in Central Aceh Regency, Aceh province, this feature has been developing since 2004. Reuters has an […]
Posted inThe Landslide Blog
Satellite imagery of the 24 January 2026 landslide on Gunung Burangrang in Indonesia
Imagery is now available that shows the aftermath of 3.1 km long landslide that killed about 90 people in West Bandung. On 24 January 2026, a major landslide occurred on the flanks of Gunung Burangrang (Mount Burangrang) in West Bandung, Indonesia. The search has been long and painstaking, but it is thought that 92 people […]
Posted inResearch Spotlights
AI Sheds Light on Hard-to-Study Ocean Currents
The Maluku Strait is a key predictor of conditions in the Indonesian Throughflow, modeling shows.
Posted inThe Landslide Blog
The extraordinary scale of the November 2025 landslide disaster in Sumatra
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 […]
Posted inThe Landslide Blog
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 […]
Posted inThe Landslide Blog
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 […]
Posted inThe Landslide Blog
The 30 May 2025 landslide at Gunung Kuda in Cipanas Village, West Java, Indonesia
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 30 May 2025, a rock slope major failure occurred at a quarry at Gunung Kuda, which is located on the edge of Cipanas Village in Dukupuntang District, Cirebon Regency, West Java, […]
Posted inThe Landslide Blog
Continued uncertainty, but very real concerns, about mining related landslides in Marowali, Indonesia
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. There are some reports today that another mining related landslide occurred in the Morowali area of Indonesia yesterday. There are few details in media reports, but videos have been posted that appear […]