Sediment Disasters in the world 2021
Jan.1.-.December31, 2021
| Date of occurrence | Country | Type | Summary |
|---|---|---|---|
| 14 February | Indonesia | Sediment Collapse |
At least nine people were killed and 10 others are missing after heavey rains triggered sedement collapses that swept away several homes in the East Java Province of Java, Indonesia, on the night of 14 February.(As of 15 February) |
| 4 April | Indonesia | Landslide | Heavy rains caused flooding and landslides from Flores Island to East Timor in Indonesia, killing at least 91 people and leaving many missing. The Indonesian National Disaster Management Agency (BNPB) said at least 70 people were killed and 70 others were missing, particularly in East Flores, where 44 people were killed and nine injured, many buried under mud and sand. In East Timor, authorities reported that at least 21 people had died. |
| 30 April | Indonesia | Sediment Collapse |
At least three people were killed and more are reported missing and the death toll is likely to rise as heavy rains triggered Sediment collapses near the construction site of a hydropower plant being built with Chinese assistance in Batang Toru, North Sumatra, on 30 January. |
| 7 May | Somalia | Debrisflow | Heavy rains on 7 May triggered severe debris flows in Mogadishu (Muqdisho), destroying homes in Wadajir district and killing nine people; by mid-May, the Shebelle River near Jowhar had overflowed, severely affecting thousands of people in the area. |
| 22 May | Congo | Ｖolcano | Late in the evening of 22 May, a crack in the rock face of the Nyiragongo volcano in eastern DRC sent lava pouring down the slope, some of it heading towards Goma, a city of 1.5 million people only 10 km away. As of 25 May, 15 people were confirmed dead and the number was expected to rise. |
| 6 June | Sri Lanka | Landslide | Heavy rains during the rainy season caused flooding and landslides in 10 of the 25 districts, killing at least 17 people and forcing the evacuation of more than 100 000 people. As of 4 June, more than 130 000 people were affected in the districts of Gampaha, Ratnapura, Colombo, Puttalam, Kalutara, Nuwara Eliya and Kurunegala. More than 130 000 people were affected. Subsequently, heavy rains also affected residents of Kandi, Galle and Kegalle, affecting a total of 271,110 people in 10 districts. In addition to a total of 17 deaths across the districts of Gampaha (3), Ratnapura (3), Colombo (1), Puttalam (3), Kalutara (1), Galle (1) and Kegalle (5), several people are still missing. |
| 16 June | Bhutan
Nepal |
Debrisflow | In Bhutan, heavy monsoon rains killed 10 people and injured five, two of them seriously, in a mudslide in the mountains of Laya in the early hours of 16 June. In Nepal, 162.4 mm of rainfall was recorded in Baglung and 162.6 mm in Darbang in the 24 hours to 16 June. River levels rose sharply, with the Narayani River recording 10.1 metres late on 16 May at Devghat in Chitwan district, exceeding the danger level of 9 metres. The Balefi river level also rose to 7.15 metres at Jalbire in Sindhupalchok district. In Helambu and Melamchi in Sindhupalchok district, floods and debris flows killed seven people, left more than 60 missing, damaged 260 houses and displaced more than 600 people. |
| 14 July | Germany
Belgium |
Landslide | Record-breaking heavy rainfall caused flooding in western Germany on the night of 14 November, resulting in more than 120 deaths in Germany and Belgium, as well as massive collapses, leaving many people unaccounted for. In western Germany, heavy rainfall and flooding killed 103 people, including 12 residents of an institution for the disabled, and swept away houses and vehicles over a wide area. Several people were missing after a massive landslide near Cologne. Flooding also occurred in Belgium and the Netherlands, with at least 20 people killed and 20 missing in Belgium. |
| 18 July | India | Landslide | In the early hours of 18 January, a fallen tree caused a wall to collapse in Chembur in the eastern suburbs of Mumbai, pinning down neighbouring residents. Seventeen people died from the debris. In Vikhroli, north-east Mumbai, a landslide damaged five houses and killed six people. |
| 31 July | Afghanistan | Debrisflow | At least 150 people were killed due to a debris flow on 31 July in a village in a mountain gorge in Kamdesh district, Nuristan province, eastern Afghanistan, bordering Pakistan. |
| 11 August | India | Landslide | At least 10 people were killed in a landslide on 11 November in Kinnaur district, Himachal Pradesh, in the Himalaya mountain range region of northern India. In addition, about 60 people may have been buried alive. |
| 18 August | Malaysia | debris flow landslide |
At least four people were killed and two others were missing as debris flows and landslides hit the steep hills of Gunung Jerai in Keda’s Yan district on 18 August, with 219 mm of rain recorded in the 24 hours to 18 August and 90 mm in one hour. |
| 18 August | Ethiopia | Debris flow | Heavy rains triggered a debris flow in the capital Addis Ababa, killing seven people. |
| 21 August | Mexico | sediment disaster | Hurricane Grace in eastern Mexico caused flooding, sediment disasters and damage to homes, resulting in seven deaths in Cuitlahuac Garcia, seven in Tecolutla and one in Poza Rica. |
| 8 September | Pakistan. | sediment disaster | At least 20 people were killed in sediment disasters triggered by torrential rains in Khyber Pakhtunkhwa, north-west Pakistan, in the early hours of 8 September. So far this year, more than 160 people have died in rain-related disasters in Monsoon. One person was killed when a house collapsed in Peshawar on 8 September, and another died when a landslide destroyed a house in Malakand district on 10 September. In Torghar district, two houses were engulfed in a landslide and 13 bodies, including seven children, were found in the mud. 3 people were injured in the disaster, which occurred around 23:00 on 11 September. Many more residents are feared missing. On the outskirts of Abbottabad, five people, including three children, were killed and three injured when at least one house was caught in a landslide caused by heavy rains. Areas in Swat district were also affected, with three houses destroyed. |
| 26 September | China | Debris flow | Thirteen people were confirmed safe and seven dead at a road construction site in the Hafahe Township, Tianquan County, China, following a debris flow caused by torrential rains in Tianquan County, Ya’an City, Sichuan Province, China, in the early hours of 26 June, and seven people remain unaccounted for. |
| 5 Octomber | China | Slope failures | Continuous rainfall in northern China from 1-7 October caused flooding and slope failuresl in several locations. On 5 October, the Wumahe River, which flows through Shanxi Province, burst its banks in several places due to continuous rain and rising water from upstream, forcing some 15,000 people in eight villages to evacuate to safer areas. In the Jingzaka village area of Pu Xian in Shanxi, a landslide occurred at around 11pm on 5 May, burying five people alive. |
| 11 Octomber | Philippines | Landslide | At least nine people were killed and 11 others are missing due to flooding and landslides across the country as a result of torrential rains triggered by Typhoon Kompasu (Asian name: Kompasu). Widespread flooding occurred on the most populous island of Luzon. Four people were killed by sediment disasters in the inland province of Benguet, one person drowned in the coastal province of Cagayan and seven people were missing on Luzon Island. Four people were killed and four others were missing in a debris flow in a village in the western province of Palawan. |
| 16 Octomber | India | Landslide Debrisflow |
At least 25 people were killed in landslides and floods triggered by heavy rains in the southern Indian state of Kerala on 17 November. Thousands of people were evacuated and at least 100 evacuation centres were opened on 17 May. |
| 18 Octomber | India | Sediment collapses | In the northern Himalayan state of Uttarakhand in India’s northern Himalayan region, torrential rains caused sediment collapses and floods that killed at least 41 people and left many missing from 18 to 19 August. 6 people died in landslides on 18 August, and another 6 were killed on 19 August. In Nainital, the worst affected area, seven disasters occurred that morning, killing at least 30 people. |
| 12 Nobember | Egypt | Debris flow | At least three people were killed in debris flows triggered by unusually heavy rainfall in Aswan, southern Egypt, on 12 November. The Aswan area has a normal annual rainfall of around 1 mm. However, on 12 December, the area was hit by unusually heavy thunderstorms and storms mixed with hail, and three members of the Egyptian security forces were killed by debris flows. Houses and roads were damaged and trees felled. |
| ４ December | Indnesia | Eruption | On 4 December, Mount Semeru erupted at an altitude of approximately 3,600 metres in the east of Java, Indonesia, sending pyroclastic flows down to the village at the foot of the mountain. 46 people were confirmed dead and a search was conducted for 12 more missing persons. The eruption affected at least 11 villages in Lumajang district, East Java. Approximately 6,500 local residents were evacuated away from Mount Sumeru on government orders. |
| 22 December | Myanmar | Sediment Collapses | At least one person was killed and 70-100 others were missing when a sediment disaster occurred at a jade mine in Hpakant, Kachin State, northern Myanmar, at around 4:00 am on 22 May. Large quantities of sediment and waste from several other nearby mines collapsed on workers who were mining about 60 metres below, engulfing them and washing into the lake. |
Source:Sedement Disaster in the world:SABO,No.28,29,30,Vol130,131,132,Sabo & Landslide Technical Cnter