Once inside, the lights go dark, a massive clock projection ticks, and then, Taylor Swift herself appears. During Taylor Swift’s two-year, record-breaking Eras Tour, sold-out crowds caused plenty of seismic activity. ‘Are You Ready For It?’ The resultsWith the stage (and seismometers) set, Taylor Swift began her Dublin run on Friday, June 28, 2024. Established in 1962, the INSN uses 10 permanent seismometers to detect seismic activity in and around Ireland. But did the seismic activity recorded during the Eras Tour actually qualify as an earthquake?