Spikes in seismic activity detected six kilometres away from Zurich's Letzigrund Stadium were generated by Taylor Swift's fans during her first concert in Switzerland. During Tuesday night's concert at Letzigrund Stadium, the Swiss Seismological Service reported that eight seismometers detected tremors extending up to six kilometres away. The Zurich stadium hosted 50,000 people. "When many people move rhythmically together, this energy transmits as harmonic vibrations into the ground and can be detected by nearby seismometers," explained the Seismological Service. The highest readings were recorded shortly after 7pm when Taylor Swift took to the stage. Her fans, the Swifties, enthusiastically greeted her with jumping and dancing. Similar seismic activity has been documented during the musician's past concerts too. According to the Seismological Service, similar phenomena have been observed during other bands' performances and football matches. "It's not possible to conclusively ...
