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G M D A I L Y N E W S

T H E Q U I E T E A R T H

A study by Greek experts on “seismic noise” has shown that

this background noise has been reduced by a factor of ten

since the imposition of the lockdown.Seismic noise is a

generic name for persistent vibrations in the ground, which

are caused by a multitude of causes, including human

activity. Professor Efthymios Sokos, from the Seismology

Laboratory of the Department of Geology of the University of

Patras, said that according to the study, the noise on the

surface of the earth during the lockdown is less than what

has been observed during a normal day in Athens.The results

revealed a decline in seismic noise levels, which began

after the first set of measures restricting activity, including

the closure of public spaces, shops and schools, with the

levels reaching their lowest when the second phase of

restrictions started.The professor explained that seismic

noise is not related to seismic activity, this means that the

reduction of seismic noise does not reduce the possibility of

an earthquake, this last ones being linked to tectonic

movement.The study also confirmed that the coronavirus

restrictions worked. The notorious decrease in seismic noise

were proof that the measures taken are effective

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