Roger Anderson, a geophysicist and director of the Energy Research Center at Columbia University's Lamont-Doherty Earth Observatory, says that the discoveries may have only begun.

FORBES: Going deep

"The problem with satellites is, we can't see through the ice sheet with satellites, " said Robin Bell, a scientist at Columbia University's Lamont-Doherty Earth Observatory who also is involved in the project.

CNN: NASA flights will study Antarctic ice changes

University's Lamont-Doherty Earth Observatory in Palisades, N.

ENGADGET: NASA finds new evidence of ice in Mercury's polar craters

John Armbruster of Lamont-Doherty Earth Observatory, Columbia University, who's been studying seismic events and fracking in the Youngstown area for months, said Friday that it's "virtually certain" that an injection of fracking wastewater caused the New Year's Eve tremor.

CNN: Debate over fracking, quakes gets louder