India, June 15 -- A crack near the 'bergschrund' (a crevasse that forms where moving glacier ice separates from stagnant ice) of the steep hanging glacier had already opened some years ago,the images showed

For DTE's complete coverage of the Chamoli disaster, click here

A rock and ice avalanche caused the devastation in and around Chamoli district in Uttarakhand in February this year, a study that analysed satellite images, including those from the European Space Agency (ESA), has said.

Some 200 people were killed and two major under-construction hydroelectric power facilities were destroyed after the large mass of rock and ice, around 27 million cubic metres in size, barreled down the Ronti Gad, Rishiganga, and Dhauliganga river valle...