Taylor Swift Seattle concert generates seismic activity

Taylor Swift's concerts in the US city of Seattle generated seismic activity equivalent to a 2.3 magnitude earthquake, a seismologist has said.

The data was recorded at Swift's sell-out Eras tour performances at Lumen Field on 22 and 23 July.

WWU seismologist Jackie Caplan-Auerbach said the activity was caused by Swift's fans or the sound system.

The shows beat the previous record in Seattle, known as the city's "Beast Quake" in 2011.