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The magnitude 8.3Mw earthquake struck 175 kilometres south of the Samoan Islands on 29 September 2009 at 6:48am local time.   A few minutes later, a series of earthquake triggered tsunami waves hit American Samoa, Western Samoa and the small northern island of Niuatoputapu in Tonga.  The tsunami waves, some of which are said to have been as high as 6m, caused fatalities, casualties and devastated entire communities in the Pacific Island countries.