The malevolent earthquake and tsunami in Japan have jolted our minds back to the 2004 catastrophe in the Indian Ocean, as well as to last year's tsunamis in Chile and Sumatra.

来势汹汹的日本地震和海啸，把我们的思绪震回到了2004年的印度洋大灾难以及去年发生在智利和苏门答腊的海啸。

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The massive earthquake and tsunami on December 26th 2004 flattened the coastline of Aceh on the northern tip of Sumatra.

2004年12月26日发生的大地震和海啸，将苏门答腊岛北端的亚齐省海岸线夷为平地。

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The ground track of the Jason-1 satellite is shown here as it crossed the Sumatra-Andaman tsunami at hourly intervals after the earthquake occurred.

2004年苏门答腊-安达曼大地震期间，Jason - 1号地面轨迹移动卫星每隔一小时便对该地震引起的海啸进行一次扫描，本图即为扫描结果。

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A massive earthquake off the coast of Sumatra created a tsunami that swept across the Indian Ocean.

VOA: standard.2009.12.26

Since the mid 1960s, UNESCO has had the responsibility of coordinating the Tsunami Early Warning System in the Pacific and following the devastating Sumatra earthquake in 2004, which resulted in widespread death and destruction across the region, UNESCO has been responsible for the Indian Ocean system as well.

UNESCO: Let's be prepared for tsunami threat in Caribbean, Gulf

The government has clearly learnt some lessons from the much larger earthquake off the coast of north Sumatra in December 2004, which triggered a huge tsunami and killed more than 150, 000 people in Aceh province and another 60, 000 in a dozen countries around the Indian Ocean.

ECONOMIST: This time the president knew what he had to do

Exercise IOWave11 re-enacted the 26 December 2004 earthquake event, with a 9.2 magnitude earthquake off the North West coast of Sumatra (Indonesia), followed by an ocean-wide tsunami.

UNESCO: THEMES