Hi,

May be of interest: 

20 Years Ago, Northridge Started Revolution in Quake Science
http://www.usgs.gov/blogs/features/usgs_top_story/20-years-ago-northridge-started-revolution-in-quake-science/?from=title

Enjoy the day,
Emily 

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Emily Wild
Librarian (Physical Scientist)
U.S. Geological Survey
Denver Library
Box 25046, MS 914
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Denver, CO 80225-0046
ph: (303) 236-1003
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