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Landslides hit southern Vietnamese province; subsidence spreads in Central Highlands

Landslides hit southern Vietnamese province; subsidence spreads in Central Highlands

Tuesday, August 22, 2023, 17:26 GMT+7
Landslides hit southern Vietnamese province; subsidence spreads in Central Highlands
The scene of a landslide on Cam Mountain in Tinh Bien Town, An Giang Province, southern Vietnam. Photo: E.X. / Tuoi Tre

Prolonged heavy rain caused multiple landslides in An Giang Province, southern Vietnam, necessitating government blockades, while in the Central Highlands province of Dak Nong, Provincial Road 1 endured severe subsidence, prompting the local authorities to declare a state of emergency for natural disasters twice in a month.

Landslides

Authorities in An Giang said on Monday that the landslide on Cam Mountain in Tinh Bien Town had minimal impact on the local people, given the sparse population in the area, but it did have consequences for agricultural crops and fields.

Heavy rainfall also triggered repeated landslides at Ba The Mountain in Thoai Son District. 

Numerous sizable rocks tumbled down, obstructing access to and from the mountain.

Although the local authorities removed the rocks, they have temporarily closed this route, with the exact reopening time yet to be determined.

An Giang, a province renowned for its mountains and popular tourist destinations, faced widespread heavy rainfall in late July. 

This led to substantial flooding in various parts of the mountainous district of Tri Ton and Tinh Bien Town. 

Numerous roads were submerged, while rainwater inundated homes in some areas, significantly hampering travel. 

Additionally, certain critical transportation infrastructure suffered erosion.

A crack in Provincial Road 1 in Tuy Duc District, Dak Nong Province, Vietnam. Photo: Duc Lap / Tuoi Tre

A crack in Provincial Road 1 in Tuy Duc District, Dak Nong Province, Vietnam. Photo: Duc Lap / Tuoi Tre

Subsidence

On Monday afternoon, Le Trong Yen, deputy chairman of the People’s Committee of Dak Nong Province, announced a new natural disaster emergency declaration to address severe subsidence on Provincial Road 1 in Tuy Duc District. 

This subsidence, attributed to persistent heavy rainfall from August 5 to 8, resulted in the formation of cracks along the road, with depths ranging from five to 30 cm. 

These cracks caused significant depressions, measuring 10-20 cm wide, in the adjacent properties. 

By August 17, the cracks had expanded to widths exceeding 50 cm and depths surpassing one meter, affecting the structural integrity of nearby residences and posing a substantial risk of further subsidence.

The land subsidence resulted in traffic hazards along Provincial Road 1 and jeopardized the safety of 55 households in the vicinity. 

A man moves out of a subsidence-prone village in Tuy Duc District, Dak Nong Province, Vietnam. Photo: Duc Lap / Tuoi Tre

A man moves out of a subsidence-prone village in Tuy Duc District, Dak Nong Province, Vietnam. Photo: Duc Lap / Tuoi Tre

Local authorities installed warning signs in high-risk areas, restricting unauthorized entry into these areas and ensuring the evacuation of households residing near the subsidence site. 

In addition, they implemented measures to mitigate and prevent rainwater from flowing into the cracks.

On August 8, the Dak Nong People’s Committee declared a state of emergency for subsidence near Dak N’ting Lake in Dak Glong District, Bu Krac Village in Tuy Duc District, and National Highway 14 in Nghia Thanh Ward, Gia Nghia City. 

In response, authorities evacuated numerous households from high-risk areas to investigate the causes and devise solutions. 

Currently, the three areas remain under a state of natural disaster emergency, with functional units actively working to find effective solutions.

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Bao Anh - Chi Hanh - Duc Lap / Tuoi Tre News

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