Samoa and American Samoa, maybe some of the Tongan Islands that are closer to Samoa.
Asia and Africa lol
14.
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Japan is a country that is most affected by them
The tsunami was triggered by an earthquake.
There were many more than 8 countries affected. The most affected countries include:IndiaBangledeshThailandIndonesiaMalaysiaSri LankaSomaliaKenyaTanzaniaSouth AfricaMadagascar
The countries most affected by the 2011 tsunami in Japan were Japan itself, with significant damage and casualties along its northeastern coast, including Fukushima, and countries situated across the Pacific Ocean, such as the United States, Chile, and Australia, which experienced smaller waves and coastal impacts.
There were several countries that were affected by the 2004 tsunami. These countries include India, Indonesia, Malaysia, Somalia, Sri Lanka, as well as Thailand.
An earthquake.
last year
An earthquake happened, which triggered the tsunami.
The Asian Tsunami* was the worlds biggest disaster, it measured 9:0 on the Richter scale and it happened on Boxing day in 2004. Many countries were affected. In case you haven't noticed, the countries that were mostly affected were poor as literacy rates were low and the death toll was high. The countries affected were LEDC (Less Economically Developed Countries) therefore they werent able to contact others informing about the Tsunami. *A Tsunami is an underwater earthquake. Hope this anwer helps :D