Coronavirus Lockdown Reduced Earth’s Seismic Noise Levels
Scientists at the British Geological Survey (BGS) reported a change in the Earth’s seismic noise and vibrations amid the coronavirus lockdown. The findings have come two weeks after seismologists at the Royal Observatory in Belgium observed a 30-50 per cent fall in levels of ambient seismic noise since schools and businesses were closed in mid-March.
What is seismic noise?
- In geology, seismic noise refers to the relatively persistent vibration of the ground due to a multitude of causes.
- It is the unwanted component of signals recorded by a seismometer– the scientific instrument that records ground motions, such as those caused by ....
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