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Stories about: seismic waves

Seismic Noises Piece Together Lost Hurricane History Global warming is believed to be a serious contributor to the frequency and intensity of hurricanes in the Northern Atlantic at this point, but pieces of evidence of this are not widely agreed upon. As a result, looking back into the planet's hurricane history could make it clear if the recent spike in the weath... 22 October 2009 05:41 GMT Scientists Present New Theory for Earth's Iron Core Earth, like all planets in the solar system, has an inner most core, in the shape of a sphere measuring about 1,200 kilometers, consisting of a solid mass of iron, responsible for generating our planet's powerful magnetic field. Nonetheless, while implying measurements of its structure with the help of seismic w... 8 February 2008 11:24 GMT