The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. The news this morning of the “double tap” M=7.2 and M=7.5 earthquakes in Venezuela late on 24 June 2026 is grim. These are large earthquakes in their own right occurring at a […]
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The Operation L!STO disaster preparedness manual for landslides
In the Philippines, an incredibly useful manual has been published that guides local government agencies in preparing for and responding to landslides. The Philippines has a long term landslide problem, with most events being triggered by either rainfall associated with typhoons or by earthquakes. However, the Philippines is also proactively trying to manage the losses […]
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An update on landslides from the 8 June 2026 M=7.8 earthquake offshore Mindanao in the Philippines
It is now clear that more than half the fatalities from last week’s earthquake in the Philippines were caused by landslides. In the areas of the Philippines affected by the 8 June 2026 M=7.8 earthquake offshore Mindanao, operations have shifted from rescue to recovery. Inquirer has an interesting report about information provided by an official […]
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Reports of landslides triggered by the 8 June 2026 M=7.8 earthquake offshore Mindanao in the Philippines
To date news reports suggest two fatal landslides with a combined toll of 17 people. There are various news reports trickling in about the landslides triggered by the 8 June 2026 M=7.8 earthquake offshore Mindanao in the Philippines. As usual, the remote locations of many of the landslides means that the information is a bit […]
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Potential landslides and liquefaction from the 8 June 2026 M=7.8 earthquake offshore Mindanao in the Philippines
Initial analyses suggest that the earthquake this morning has the potential to have triggered significant numbers of landslides and areas of liquefaction. At the time of writing, the impacts of the M=7.8 earthquake that occurred offshore the south coast of Mindanao in the Philippines remain unclear. Initial reports in the local press suggest 15 fatalities […]
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Fatalities from landslides in earthquakes
A new study (Sun et al. 2026) shows that in six earthquakes in China between 2010 and 2022, landslides and rockfalls were responsible for at least half of the total fatalities. It is well-established that landslides are a major cause of loss of life in earthquakes in mountainous areas. The seismology maxim that “it is […]
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The prospects for the 2026 monsoon in South Asia
Forecasts for the 2026 South Asia monsoon are for below average rainfall, but some of the most landslide prone areas of India may receive totals that are above average. As usual, we are now starting to see the number of reported global fatal landslides increase as the northern hemisphere rainy season commences. In recent days, […]
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The Cheekeye Debris Barrier Project
In British Columbia a CAN$115 million project is almost complete to mitigate the risk posed by debris flows to the town of Squamish. Upstream of the town of Squamish in British Columbia, Canada, an extraordinary project is underway to mitigate the risk of debris flows. Known as the Cheekeye Debris Barrier Project, the scheme involves […]
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A New Approach Can Better Predict Debris Flow Hazards Years After Fires
USGS hazard maps don’t always reflect real landslide risk in the years after wildfires. Fine-tuning assessments of vegetation recovery could help.
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The landslide drivers of structural damage in Medellin, Colombia
A new study (Vega et al. 2026) shows that patterns of reported structural damage in Medellin are probably caused by deep-seated deformation driven by a series of ancient landslides under the city. Medellin is the second largest metropolitan area in Colombia, with a population of around 4 million people. It has grown rapidly, expanding into […]