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18 February 2014

How hard has your zip code shaken?

Did you feel it? …Ever? These USGS maps show the highest shaking intensity reported in every zip code throughout the U.S. (and cities of the world) in the past two decades. 1991 – 2012¬† The USGS’s crowd-sourced Community Internet Intensity Maps, popularly known as “Did-You-Feel-It” maps, have been collecting online surveys¬†of seismic shaking intensity since 1997. There’ve been plenty of quakes in that time, and in 2012 researchers put together …

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