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An underwater earthquake occurred. The seafloor shifted by 15m and caused a large displacement in water, which caused a wave to form. The shock waves which radiated out of the epicenter also aided in the formation of the tsunami. The earthquake was 9.3 in magnitude and caused a wave which killed 280,000 people in total. The tsunami hit Sumatra worst, as it was closest to the epicentre.

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14y ago

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In 2004, a massive undersea earthquake with a magnitude of 9.1-9.3 struck off the coast of Sumatra, Indonesia. This earthquake triggered a series of tsunamis that devastated coastal areas across Southeast Asia, resulting in widespread destruction and loss of life.

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9mo ago
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in 2004 an earthquake occurred under the sea where from there the sea bed itself (along where the destructive plate boundary had collided) lifted up to as much as 500 feet. This then lifted the water which then dropped back down creating an outward ripple effect. The tsunami itself at this point was not a tall wave but in fact the opposite a very flat and long ripple measuring 200 miles in length. As this long ripple reaches the coastline the water begins to get shallower and so as a result the ripple sloes down and the back of the ripple catches up building it in height and resulting in a huge tsunami.

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13y ago
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Similar to the 2011 Tsunami, the 2004 Tsunami was also caused by an earthquake near Indonesia.

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14y ago
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The Sumatra-Andaman earthquake

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12y ago
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Q: What happened in 2004 that caused a tsunami in southeast Asia?
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How many children were orphaned after the 2004 tsunami?

It is estimated that around 30,000 children were orphaned after the 2004 tsunami in Southeast Asia. Many of these children were left without parents or caregivers due to the devastation caused by the disaster.


Describe tsunami that wreaked havoc on the western shore of Indonesia December 2004?

The tsunami that struck the western shore of Indonesia in December 2004 was triggered by a massive undersea earthquake measuring 9.1-9.3 on the Richter scale. The tsunami's waves reached up to 100 feet in height, causing widespread devastation across several countries in South and Southeast Asia. It resulted in over 230,000 casualties and left millions displaced.


What was the Richter scale of 2004 tsunami?

The 2004 tsunami was not measured on the Richter scale because tsunamis are caused by underwater disturbances, usually earthquakes, landslides, or volcanic eruptions. The earthquake that triggered the 2004 tsunami had a magnitude of 9.1-9.3 on the moment magnitude scale, not the Richter scale.


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What are the differences between the 2004 Asian tsunami and the Japanese 2011?

The 2004 Asian tsunami was triggered by an undersea earthquake in the Indian Ocean, affecting several countries in South and Southeast Asia, while the 2011 Japanese tsunami was caused by a massive undersea earthquake off the coast of Japan. The 2004 tsunami resulted in more widespread devastation and casualties across multiple countries, whereas the Japanese tsunami primarily impacted Japan's northeastern coastline. The 2011 Japanese tsunami also led to the Fukushima nuclear disaster due to damage caused to nuclear power plants, while such an incident did not occur during the 2004 Asian tsunami.