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GSI HOME > Research & Development > Geography and Crustal Dynamics Research Center > Sumatra Earthquake and Indian Ocean Tsunami in 2004 Last Updated : February 21, 2006

Sumatra Earthquake and Indian Ocean Tsunami in 2004

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Coastal Changes due to Uplift and Submergence caused by 2004 Indian Ocean Earthquake, in Andaman Islands, Nicobar Islands, Sumatra, and Simeulue island

JAPANESE

SUMMARY

  1. Uplift is dominant in Andaman Islands, especially in western side.

  2. Submergence is dominant in Nicobar Islands.

  3. Submergence in west coast of Northwestern Sumatra.

  4. Uplift in northwestern Simeulue island.

  5. Link to "Coastal Change due to March 28, 2005 Nias Earthquake"

  6. A line 145 km east of the trench separates western uplifted zone from eastern subsided zone. (Tobita et al., 2006)



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Derivation of Coastal Changes

Satellite Data from

RADARSAT-1，ENVISAT，ERS-1/2，ASTER，SPOT-5

Public Information

Public Information List

Link

2004 Coastal Change
Andaman Islands
Nicobar Islands
Northwestern Sumatra
Simeulue island
2005 Coastal Change
GPS to Tsunami Forecast

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