The gas explosion took place at the Xinxing mine in Heilongjiang province at around 2:30 am on Saturday, Nov 21.
According to a statement released by the State Administration of Work Safety, about 399 people managed to escape the devastation.
China Central Television reports that the cause of the blast is still unclear. And there are no confirmed reports on the number of people injured in the blast.
China witnessed a similar mishap in Feb 2009 when blast at the Tunlan coal mine in northern China's Shanxi province killed 77 people.