A Magnitude 4.7 earthquake struck the Arctic Ocean, east of Greenland, on July 12, 2016 and has been producing High levels of methane that has been measured in the atmosphere on July 15, 2016 indicating the earthquake destabilized methane hydrates contained in sediments in that area.

The reports indicated that On July 15th, measurements showed methane levels as high as 2505 ppb and 2598 ppb at an altitude of 4,116m (13,504ft) and 6,041m (19,820ft), respectively. The situation is dire and calls for comprehensive and effective action.