Some excellent before and after imagery is now available showing the evolution of the Matai’an landslide dam. The active GIS/spatial analysis community in Taiwan has produced some fascinating analysis of the Matai’an landslide. Much of this has been posted to Facebook (which is not my favourite platform, but sometimes you have to go where the […]
hurricanes, typhoons, & cyclones
Posted inThe Landslide Blog
The aftermath of the Matai’an landslide in Taiwan
It is likely that the final death toll from the collapse of the Matai’an landslide dam will be 25 people. The dust is literally settling in the aftermath of the breach of the Matai’an landslide dam in Taiwan. The current estimates for the loss are life are 18 fatalities with seven more missing, and a […]
Posted inThe Landslide Blog
The tragic 23 September 2025 Matai’an landslide dam breach in Taiwan
At least 15 people are known to have been killed by the debris flow and flood from the landslide dam breach that was triggered by typhoon Ragasa. The extremely intense rainfall brought by super typhoon Ragasa triggered the overtopping of the landslide dam at Matai’an in Taiwan on 23 September 2025. This was not a […]
Posted inThe Landslide Blog
Evacuations ordered downstream of the Matai’an landslide dam in Taiwan
Extremely heavy rainfall associated with super typhoon Ragasa could cause the Matai-an landslide dam to overtop in the next two days. In East Asia, super typhoon Ragasa is moving westwards between Taiwan and the Philippines. At the time of writing, Earth Cut TV has a live feed from the Batanes Islands, almost in the path […]
Posted inNews
Cyclones Affect Heart Health for Months After They Subside
In a multicountry study, researchers found that cyclones increase the risk of heart disease–related hospitalizations for up to 6 months.
Posted inFeatures
How Researchers Have Studied the Where, When, and Eye of Hurricanes Since Katrina
Twenty years after one of the country’s deadliest storms, scientists reflect on improvements in the ability to understand and predict disasters.
Posted inThe Landslide Blog
The challenges of the valley blocking landslide in the Matia’an Valley in Wanrong township, Taiwan
The 21 July 2025 rock avalanche is generating a lake that could have a volume of 86 million cubic metres at the point of overtopping. This poses a threat to at least seven downstream communities in east Taiwan. Yesterday, I posted about the enormous 21 July 2025 rock avalanche in the Matia’an valley, in Wanrong […]
Posted inThe Landslide Blog
The 21 July 2025 giant rock avalanche in Wanrong township, Taiwan
On 21 July 2025, a very large rock avalanche occurred in the mountains of Hualien County, Taiwan. Initial measurements suggest that this ran out over about 6 km. On 21 July 2025, an extremely large rock avalanche occurred in the administrative area of Wanrong Township in Hualien Count in Taiwan. This event was detected on […]
Posted inEditors' Highlights
Midlatitude Storm Dynamics Better Explained by Lagrangian Analysis
Examining the growth of storms using ERA-5 reanalysis data reveals a nonlinear relationship between baroclinicity and storm activity under extreme conditions.
Posted inThe Landslide Blog
The 15 June 2025 landslide at Zhonghe in western Guangdong province, China
A community in China had a narrow escape when a landslide, triggered by Typhoon Wutip, occurred on the slopes above the village. Fortunately, the population had been evacuated when a local woman noted signs that a failure might be imminent. At about 4 am on 15 June 2025, rainfall associated with the remnants of Typhoon […]