A series of explosions caused leaks on two gas pipelines that feed natural gas from Russia to Germany. RELATED: UN chief: 'Nuclear blackmail' could risk 'Armageddon' | USA TODAY #Shorts https://bit.ly/3rdqmSc Two underwater explosions, or shakings, were recorded in the Baltic Sea shortly before leaks were found in the Nord Stream 1 and 2 pipelines, which were pressurized with natural gas. Both pipelines were not operational. The first shaking, measuring 2.3 on the Richter scale, was recorded southeast of Bornholm, a Danish island, the Guardian reported, citing Denmark's Geological Survey. The second, with a magnitude 2.1 earthquake, was reported northeast of the island. » Subscribe to USA TODAY: http://bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: COPY MOST RELEVANT PLAYLIST BITLY HERE » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR.