3 ms·

I think you're thinking of ionospheric data, rather than IR data. E.g. http://www.ep.sci.hokudai.ac.jp/~heki/pdf/2011GL047908.pdf http://www.ep.sci.hokudai.ac.

by jofer 14y ago

I think you're thinking of ionospheric data, rather than IR data. E.g. http://www.ep.sci.hokudai.ac.jp/~heki/pdf/2011GL047908.pdf http://www.ep.sci.hokudai.ac.jp/~heki/pdf/2011GL047908.pdf I haven't heard of an infra-red-visible precursor of any sort, at any rate, though I could be very wrong there.

rosser 14y ago
First hit on searching (DDG) for "japan earthquake epicenter infrared": http://www.technologyreview.com/view/424033/atmosphere-above-japan-heated-rapidly-before-m9/ http://www.technologyreview.com/view/424033/atmosphere-above...