EarthScope instruments have been collecting data 24 hours a day 7 days a week for several years. The instruments collect a variety of data including: worldwide earthquakes, GPS tectonic plate motions, magnetotelluric, and atmospheric pressure. All EarthScope data is archived and available free of charge to researchers.
Seismogram of March 11, 2011 M 9.0 Japan earthquake
This plot shows the motion data from a GPS unit that moved about 20 millimeters (0.79 inches) over a three year period.
EarthScope has collected over 84 terabytes of data. This huge amount of data would fill over 86,000 iPhones (the 64 gigabyte version)!