December 16th, 2011
11:07 AM ET
We now have scientific proof that the Foo Fighters rock... really hard. According to New Zealand’s GeoNet blog, the band and their fans caused the ground to shake at a December 13 show in Auckland.
Dave Grohl and his fellow Foos attracted 50,000 Kiwi fans to the show, and things got a bit wild, the blog reports. The crowd was so pumped, geological tremors similar to a volcanic event were recorded.
Two seismic stations near the venue picked up vibrations during Tenacious D’s opening set, but the signals really intensified around 8:20, when the Foo Fighters took the stage. GeoNet notes that “it all went quiet at 11 p.m. when the gig ended.”
“The cause of the shaking is most likely the weight of the 50,000 fans dancing,” reads the blog, adding that the sound system also contributed to the vibrations.
The scientists among you may be interested to know that “The concert vibrations were recorded as a semi-continuous harmonic signal with a peak osculation of 3Hz.” GeoNet is polite enough to explain in layman’s terms: “[T]he ground was shaking 3 times per second in a nice rhythmic motion.”
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