Map of Earthquakes in 2012 (as of 17 Nov, 2012)

[Kojima]

Map of earthquakes (Mag >= 5.5) in 2012 (from 1st Jan to 17th Nov) made by using "Search for earthquakes" of CSEM/EMSC. 

http://www.emsc-csem.org/Earthquake/?filter=yes

http://www.iris.edu/seismon/

[Nancy Lieder]

It seems pingpong played across the Pacific, a common pattern! Up until this moment, looking at your charts, I did not realize how often this occurred! Or even that it did occur! Very very educational! And a heck of a lot of work.