[CIG-ALL] IRIS DMC releases Global Stacks data product, win an iPad contest!

Danielle Sumy danielle.sumy at iris.edu
Fri Sep 19 07:52:18 PDT 2014

We are pleased to announce the release of the Global Stacks, a data product generated by stacking up to a million event-windowed seismograms.

The Global Stacks product is based on stacking short-term to long-term averages (STA/LTA) in different frequency bands for vertical broadband data (1990-2012) available from the IRIS DMC.  Long period versions include vertical and horizontal component data.  Figures and ZIP files of the STA/LTA stacks as well as stacks of envelope functions and vespagrams and lists of quality controlled traces are available on the product and supplement pages:


IRIS Data Services and Education and Public Outreach are conducting a contest to create a new poster based on the wealth of stacks available in this product.  We would like your help in making an iconic image to be featured on an IRIS poster:


Thank you,
IRIS DMC Products

Alex Hutko
Manoch Bahavar
Chad Trabant
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