Every year, Alaska has about 5,000 earthquakes.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
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If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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It takes a drop of ocean water more than 1,000 years to circulate around the world.
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