7 Years of Earthquakes: Western North America
This movie shows earthquakes from Western North America larger than Magnitude 3.5, in the years between Jan. 1, 2008 - Dec. 31, 2014. The dot size is (non-linearly) proportional to magnitude and the color is proportional to depth according to these rules:
Key:
vimeo.com/153547572 .
The sound is generated by adding to the sound track tiny earthquake sounds, as described by that link.
The data comes from the ANSS catalog of the US Geological Survey, accessible from here:
quake.geo.berkeley.edu/anss/catalog-search.html
Ben Holtzman, Douglas Repetto, Jason Candler, Nolan Lem. CC licence seismicsoundlab.org .