The channel noted that seismic phenomena appeared when 60 thousand fans at the same time jumped under the song Enter Sandman.
The local seismological observatory Virginia Tech recorded the tremors of the Earth caused by the energy of the concert. The peak was observed precisely during the performance by the Enter Sandman group.
According to The director of the observatory Martin Chepman, their seismograph was located about 1.6 km from the stadium where Metallica performed.
They also reported that the shocks did not carry any threat and did not even fall into the scale of seismic magnitude.
