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1 August 2011
Measuring tsunami remnants half a world away
By the time the waves of the 2004 Sumatra tsunami swept half way across the globe and reached Drake Passage at the Southern tip of South America, they were just ripples.
But two pressure gauges deep below the surface of the passage reacted to those tiny remnants of the once-towering waves, giving scientists a fortuitous opportunity to study the long-distance behavior of a tsunami.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.