The campus of Central Washington University is headquarters to one of the largest global positioning systems that studies earthquake risks.
The PANGA geodetic array monitors in real time 500 GPS stations around the Pacific Northwest that track in monitor in detail the compression of the West Coast along a fault line believed capable of a magnitude 9 earthquake.
A GPS network in Japan closely tracked the Tohoku earthquake that struck northeastern Japan on March 11, 2011, which killed 23,000 people. Most died not from the shaking, but from the tsunami waves generated by the quake.
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Story by Glenn Farley/KING5 news
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