BLUE= P-Wave Low Frequency Earth Quake

BLACK= S-Surface Wave Earth Quake

RED= Ice Quakes From The Motion Of The Ice

GREEN= Electrical  Noise during Transmission Of Data  

For more information you can go to the following links below.

http://www.geophys.washington.edu/SEIS/PNSN/WEBICORDER/IMAGES/helic_annotated.gif

http://www.geophys.washington.edu/SEIS/PNSN/WEBICORDER/webicorder.html

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