Andaman Sea

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The Andaman Sea (also Andaman Sea, Andaman Sea; Hindi अंडमान सागर, Burmese မုတ္တမ, Thai ทะเลอันดามัน, Indonesian and Malay Laut Andaman) is a marginal sea of the eastern Indian Ocean whose coastline is formed by Myanmar, Thailand, Malaysia and the Indonesian island of Sumatra. The Indian Union Territory of the Andaman and Nicobar Islands demarcates the Andaman Sea on the west from the Bay of Bengal. To the south, it is connected to the South China Sea by the Strait of Malacca.

In total, the Andaman Sea extends from the delta of the Irrawaddy (Irawady, Ayeyarwady) in the north over almost 1200 km to the entrance of the Strait of Malacca. Bounded in the west by the Cocos Islands, Andaman and Nicobar Islands, it is at most 650 km wide. Its area amounts to 797,700 km². The coast of Thailand alone is about 740 km long.

The measured maximum depth is 4180 meters. The average depth is 870 meters. The water temperature at the surface varies slightly from 27.5 °C in winter to 30 °C in summer.

The Andaman Sea corresponds to a backarc basin formed when the Indian Plate collided with the Eurasian Plate. On the seabed of the Andaman Sea, a tectonic fault zone extends in a north-south direction between the Burma Plate in the west and the Sunda Plate in the east. There are several islands of volcanic origin there. Barren Island is the only one among them which has an active volcano.

On 26 December 2004, as a result of the Sumatra-Andaman earthquake, the islands and coasts were devastated by a severe tsunami which killed at least 230,000 people.

Location of the Andaman SeaZoom
Location of the Andaman Sea

A rock in the Andaman SeaZoom
A rock in the Andaman Sea

Questions and Answers

Q: What is the Andaman Sea?


A: The Andaman Sea or Burma Sea is a body of water to the southeast of the Bay of Bengal, part of the Indian Ocean.

Q: Which countries are located around the Andaman Sea?


A: The Andaman Sea is south of Burma, west of Thailand, and east of the Andaman Islands, India.

Q: What is the main use of the Andaman Sea?


A: The Andaman Sea has been used for fishery and transportation of goods between the coastal countries.

Q: What are the popular tourist attractions in the Andaman Sea?


A: The coral reefs and islands in the Andaman Sea are popular for tourism.

Q: What event caused damage to buildings in the Andaman Sea?


A: The 2004 Indian Ocean earthquake and tsunami badly damaged many buildings in the Andaman Sea.

Q: What is the average depth of the Andaman Sea?


A: The average depth of the Andaman Sea is about 1,000 meters (3,300 ft).

Q: What is the deepest point in the Andaman Sea?


A: In a system of submarine valleys east of the Andaman-Nicobar Ridge, the depth is more than 4,000 meters (13,200 ft).

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