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Submission + - Atmosphere Heated Up Before Japan Quake (technologyreview.com)

afree87 writes: A new paper submitted to arXiv uses satellite data to contend that the ionosphere heats up before earthquakes. Observations from the DEMETER spacecraft show heat rising from the Pacific Ocean off Japan, spiking three days before the earthquake. "The thinking is that in the days before an earthquake, the great stresses in a fault as it is about to give cause the releases large amounts of radon."
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Atmosphere Heated Up Before Japan Quake

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"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth. -- Alfred North Whitehead