What were the environmental impacts of the 2004 tsunami?

Farm land ruined by salt water. 8 million litres of oil escaped from oil plants in Indonesia. Mangrove forests along the coast were destroyed. Coral reefs and coastal wetlands damaged.

What are the environmental impacts of tsunamis?

Environmental impacts

A tsunami changes the landscape. It uproots trees and plants and destroys animal habitats such as nesting sites for birds. Land animals are killed by drowning and sea animals are killed by pollution if dangerous chemicals are washed away into the sea, thus poisoning the marine life.

What made the 2004 tsunami so devastating?

A powerful undersea earthquake that struck off the coast of Sumatra island, Indonesia, set off the 2004 Indian Ocean tsunami, also known as the Christmas or Boxing Day tsunami, on Sunday morning, Dec. 26, 2004. … The quake caused the ocean floor to suddenly rise by as much as 40 meters, triggering a massive tsunami.

How did the 2004 tsunami impact the economy?

In terms of the death toll and the number of displaced people, this was the worst natural disaster in recorded history in Indonesia, Sri Lanka and Thailand. The total economic cost of damage was estimated at US$ 9.4 billion. In Aceh the cost of damage (US$4.5billion), was almost equal to its GDP in the previous year.

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How much land did the 2004 tsunami affect?

The capital is Banda Aceh. In December 2004 a severe earthquake centred in the Indian Ocean off northwest Sumatra triggered the great Indian Ocean tsunami that devastated much of Aceh’s western coast and killed tens of thousands of people. Area 22,377 square miles (57,956 square km).

What are the impacts of tsunamis?

4. Types of tsunami impacts

Impact People and Animals
Water Currents Moving waves wash out residential settlements, human beings and cattle.
Contamination Contaminated water injures and causes health hazards
Debris/sediments of soil Human fatalities and severe injuries
Gas and Fire Leakage of gas, explosions due to leakage.

What damage does a tsunami cause?

Tsunamis can cause great loss of life and property damage in coastal areas. Very large tsunamis can cause damage to coastal regions thousands of miles away from the earthquake that caused them. Beaches, lagoons, bays, estuaries, tidal flats and river mouths are the most dangerous places to be.

What is the biggest tsunami ever?

How long did 2004 tsunami last?

The 2004 quake ruptured a 900-mile stretch along the Indian and Australian plates 31 miles below the ocean floor. Rather than delivering one violent jolt, the quake lasted an unrelenting 10 minutes, releasing as much pent-up power as several thousand atomic bombs.

What were the social impacts of the 2004 tsunami?

Social impacts of the tsunami (effects on people)

230 000 deaths. 1.7 million homeless. 5-6 million needing emergency aid, eg food and water. Threat of disease from mixing of fresh water, sewage and salt water.

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How does tsunamis affect the economy?


Immediately following a tsunami disaster, many businesses will be unable to trade because of destruction to premises, stock, machinery, facilities, transport networks, supplies and loss of staff.

Could the 2004 tsunami have been prevented?

In fact, the impact of the 2004 tsunami was not limited to populous cities, but included a multitude of rural communities strung along the coastline. … It is even possible that a large, well-designed coastal forest could substantially mitigate the damage of a tsunami up to 8, or even 10 meters.

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