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Largest lighthouse ever moved due to erosion problems?


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Answered 2009-06-27 07:39:58

The Cape Hatteras lighthouse was moved due to the threat caused by erosion.

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The Cape Hatteras Lighthouse was the largest lighthouse to be moved due to the threat of erosion. It was moved between 17 June and 9 July 1999.


The material that can be moved by erosion is wind.


International Chimney Corp. of Buffalo, New York and Expert House Movers of Maryland moved the Cape Hatteras Lighthouse. They used hydraulic jacks to lift the lighthouse up six feet and put roll beams under it.https://www.nps.gov/caha/learn/historyculture/movingthelighthouse.htm


The material that is moved by erosion is called Sediment.


I did a research project and found that erosion of sand and rising sea levels are the main answers, i would recommended researching it yourself noaa had a nice report. Hope i helped:)


Erosion causes them to be moved from one place to another place.


Weathering and erosion



Use less sediments that carry mineral grains that is moved by erosion.


It was moved about 2,900 feet. Erosion from the sea was going to undermine the foundation. Really pretty neat moving something that big- you can read about it here: https://www.nps.gov/caha/learn/historyculture/movingthelighthouse.htm


Cape Hatteras Lighthouse, which is located in North Carolina, was relocated further away from the shore in 1999. It was moved due to the danger to the building presented by the eroding shore.


The Cape Hatteras lighthouse is famous for two main reasons:1. It is the tallest lighthouse in the US.2. The functional light first, and then the entirelighthouse, was moved due to encroaching erosion.The original structure of the Cape Hatteras lighthouse was demolished following the construction of a new and improved lighthouse between 1868 and 1870. The new lighthouse became the tallest lighthouse tower in the US, standing 63 metres tall from the base of the foundation to the tip of the roof. By 1935, the tower was badly threatened by the effects of erosion, and attempts to hold back the erosion process through dikes and breakwaters proved futile. For awhile, the tower was abandoned and another light put on a steel tower further inland from the shore. The lighthouse was recommissioned early in 1950 after wooden revetments helped reclaim some of the shoreline, making it safe to use the lighthouse once more.However, as the shoreline continued to erode, it was decided to relocate the entire tower in 1999. The granite underneath the lighthouse's foundation was mined out and replaced with steel supports. Using hydraulic jacks, these steel supports then moved the entire tower along a system of track beams. The actual removal operation began on 17 June 1999 and was completed several weeks later, on 9 July 1999. The tower was then lowered onto a new concrete pad 883m away, and its temporary steel foundation replaced with brick. The lighthouse survived the move and a ceremonial relighting was held in November that year.


The Cape Hatteras Lighthouse was originally 2900 feet (883m) closer to the sea than it currently is now.


The actual removal operation of Cape Hatteras lighthouse began on 17 June 1999 and was completed on 9 July 1999.



Tropical weather makes erosion faster than dessert or arctic weather. The sand in that climate is moved by waves. That is why erosion is faster.


It breaks rock into smaller pieces that are more easily moved by the agents of erosion.


The Cape Hatteras lighthouse was under threat from the ocean as the beachside eroded. The actual removal operation of Cape Hatteras lighthouse began on 17 June 1999 and was completed on 9 July 1999


Erosion refers to the process wherein soil and rock particles are worn away and moved elsewhere. Transportation, meanwhile, refers to the processes by which sediments or other substances are moved along.


The sediments moved away by erosion accumulate somewhere else, such as at the mouth of a river, forming a delta. In this sense, erosion has constructive aspects.


erosion is harmful because it drags sediment from one place to another causing the area that the sediment was moved from to disapear


dirt, sand ,ice or any thing that is on the earth


Sediment is moved by wind, water, ice, and gravity.EROSION


Soil erosion is the process by which pieces of the earth are taken and moved elsewhere. Erosion is commonly seen in areas where there is a lot of friction, such as a stream. Other forms of erosion are caused by freezing, glaciers, and strong winds.


The Cape Hatteras lighthouse is a famous lighthouse on Hatteras Island, North Carolina, USA. It is the tallest lighthouse in use in the US. Completed in 1803, the original structure was eventually demolished following the construction of a new and improved lighthouse between 1868 and 1870. The new lighthouse became the tallest lighthouse tower in the US, with the light projecting from 191 feet, or 58 m, above the water. The tower stands 63 metres tall from the base of the foundation to the tip of the roof, and the structure contains 268 steps. By 1935, erosion had so threatened the tower that the water was actually reaching its base. After attempts to hold back the erosion process through dikes and breakwaters proved futile, the tower was abandoned and a functional light placed on a steel tower further inland from the shore. After a few years, wooden revetments, a more effective method for erosion control, helped reclaim some of the shoreline, and the lighthouse was declared safe for use and recommissioned on 23 January 1950. Further erosion of the shoreline necessitated the relocation of the entire tower in 1999. The granite underlying the foundation of the lighthouse was mined out and replaced with steel supports. Using hydraulic jacks, these steel supports then moved the entire tower along a system of track beams. The actual removal operation began on 17 June 1999 and was completed on 9 July 1999. On this date, the tower was then lowered onto a new concrete pad 2900 feet (883m) away, and its temporary steel foundation replaced with brick. The lighthouse survived the move and a ceremonial relighting was held on 13 November that year.