Hi,

Other Federal agencies may be interested in this article; we already started receiving inquiries: 
Seismological research letters  (0895-0695), 2014, v. 85 no. 1 p. 159-178
Prevalence of Earthquake Lights Associated with Rift Environments
http://srl.geoscienceworld.org/content/85/1/159
doi:10.1785/0220130059

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Article is mentioned in Nature (0028-0836) 2014
Earthquake lights linked to rift zones Steep geological faults most likely to host strange luminescence: http://www.nature.com/news/earthquake-lights-linked-to-rift-zones-1.14455#/b4
doi:10.1038/nature.2014.14455

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In a few news stories around the world:

Strange lights in sky aren't UFOs; they're 'earthquake lights,' scientists reveal
http://www.pennlive.com/midstate/index.ssf/2014/01/strange_lights_in_sky_arent_uf.html

Scientists find records of rare 'earthquake lights'
http://www.usatoday.com/story/news/nation/2014/01/02/earthquake-lights-rare-phenomenon/4255097/
 
Mysterious earthquake lights may be warning
http://news.ninemsn.com.au/technology/2014/01/03/12/23/mystery-of-strange-earthquake-lights

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U.S. Geological Survey publications, "Earthquake Lights": http://pubs.er.usgs.gov/#search:basic/query=%22earthquake%20lights%22/page=1/page_size=100:5

U.S. Geological Survey publications, "Luminous phenomena" : http://pubs.er.usgs.gov/#search:advance/page=1/page_size=100/query=%22Luminous%20phenomena%22:0

U.S. Geological Survey, Earthquake “Top 10” Lists & Maps: http://earthquake.usgs.gov/earthquakes/eqarchives/

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Enjoy the day,
Emily

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Emily Wild
Librarian (Physical Scientist)
U.S. Geological Survey
Denver Library
Box 25046, MS 914
Denver Federal Center
Denver, CO 80225-0046
ph: (303) 236-1003
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USGS Libraries: http://library.usgs.gov
Tutorials: http://tinyurl.com/lh3tmua
Professional Page: http://profile.usgs.gov/ecwild
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