The July 2005 rainfall-induced landslides in Yangshan (the Yang Mountains) in China
Extreme rainfall in July 2025 triggered numerous landslides and debris flows that killed over 60 people. Between 23 and 29 July 2025, the Yanshan (Yan Mountain) [41.0, 120.0] area of Hebei Province in China suffered extreme rainfall that triggered extensive flooding and landslides. As is so often the case in China, I found it difficult to […]
In July 2025, heavy rainfall in the Yanshan (Yan Mountain) region of Hebei Province, China, resulted in numerous landslides and debris flows that caused over 60 deaths. Daily rainfall amounts peaked at 285.1 mm, with total rainfall reaching 549.6 mm, according to a comprehensive study by Xie et al. (2026) published in the Landslides journal. This intense rainfall led to steep hillslope erosion, well-developed gully systems, and widespread sediment transport during the extreme weather event.
The Xiaomiaohougou catchment in Yangjiatai Village, Xinglong County, situated at coordinates [40.37591, 117.24141], was heavily impacted. Satellite images from June 2025 and July 2025 show the extensive damage to the communities in the affected valley, with clear evidence of channelized debris flows and severe infrastructure damage. The researchers noted that the availability of loose sediment in the Yangshan and the effects of anthropogenic slope modifications, such as terracing, increased landslide susceptibility.
The study emphasizes the need for increased focus on terrace modification, roadcuts, and village construction in landslide-prone areas, especially as rainfall intensity increases due to climate change. This account, based on the provided source material, details the extreme rainfall-induced landslides and their severe consequences in the Yangshan region.
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