Bjorn Lund, a Swedish seismologist from Lund University, explains to a Swedish reporter how it was possible for him to determine that an explosion had taken place by the Nord Stream pipelines.

He says that “at least 100 kg of TNT has been used, but probably more”. pic.twitter.com/51JFYMBXFD

— Visegrád 24 (@visegrad24) September 27, 2022