A hidden lake beneath the Greenland Ice Sheet unexpectedly drained more than a decade ago, fracturing the ice surface and forming a large crater — an event only recently uncovered by Earth-observing satellites.

Satellites reveal a hidden lake burst through Greenland Ice Sheet in 2014, causing major flooding and a deep crater

Source: space
Source Link: https://www.space.com/astronomy/earth/satellites-reveal-a-hidden-lake-burst-through-greenland-ice-sheet-in-2014-causing-major-flooding-and-a-deep-crater