seismic
en
Definition
Relating to or caused by earthquakes or other vibrations of the earth's crust.
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At a recent concert in Edinburgh, as part of Taylor Swift's Eras tour, her fans' energetic dancing literally moved the earth, with seismic activity usually associated with earthquakes detected four miles away!
BOX SET: 6 Minute English - 'Entertainment' English mega-class! 30 minutes of new vocab!Actually, Taylor Swift's Edinburgh show wasn't the first music concert to trigger seismic waves.
BOX SET: 6 Minute English - 'Entertainment' English mega-class! 30 minutes of new vocab!Seismologists are scientists who study earthquakes and seismic waves.
BOX SET: 6 Minute English - 'Entertainment' English mega-class! 30 minutes of new vocab!A good understanding of how structures behave when vibrating is what allows engineers to build rotating machinery, to launch sensitive instruments into space, and to safely design buildings in seismic areas, to name just a few of the many applications.
Understanding Vibration and ResonanceDesigning a structure to withstand seismic events is difficult because the loading caused by an earthquake is random and can't be predicted ahead of time.
Understanding Vibration and ResonanceAnd so engineers have to use special probabilistic techniques like the response spectrum method to design structures to withstand seismic loads.
Understanding Vibration and Resonance
