Pneumonia epidemic: a pandemic of human disease, the earth really calmed down – BBC News



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Due to the global pandemic of the new coronavirus, billions of people around the world have to stay at home; Too many people have stopped, so the way the Earth moves is changing.

Due to the embargo imposed by many countries, the number of people commuting to work or traveling by road or rail has been reduced considerably, and many heavy industries have also stopped production activities.

Scientific research has shown that so many people have reduced their activities, so even the vibration of the Earth’s crust has weakened.

This is somewhat surprising, because the mass of our planet is equivalent to 600 trillion tons.

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The intensity of the cortex movement decreased significantly

The first to notice this change was a scientist from the Royal Observatory of Belgium: “Since the government implemented the restrictive measures, the ratio of intensity of movement of the surface to the frequency is between 1-20 Hz (frequency lower than the double bass , equivalent to a large organ) It is usually much lower. “

The rest of the world is also aware of this change.

Seismologists in Nepal saw a reduction in the movement of the crust. A staff member at the Paris Institute of Geophysics also said that the decline in movement registered in the French capital is huge. The degree of weakening of the exercise was “really scary”.

In this graph, you can see that the extent of the movements of the Nepal crust has been significantly reduced.

The air is clean and the ocean is calm.

The new coronavirus epidemic has affected our way of life, which has changed the movement of the bark of nature is only one aspect.

The satellite has detected that the concentration of nitrogen dioxide, a polluting gas emitted by cars, trucks, buses, and power plants, has decreased.

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Image caption

The infection outbreak on the cruise ship has paralyzed the entire industry, which has also silenced the planet.

At the same time, the world has become calmer.

Scientists who measure the background noise in our cities every day and study the depths of the sea discover that the sound of the earth is reduced.

The pulsation of the earth is clearer.

The new findings from this earthquake study do not mean that the Earth has completely stopped shaking. For scientists, this change is not only measurable, but can also be useful.

Human activity is like background noise, making it harder to hear the earth’s natural activities.

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“With less noise, you will get a clearer signal that will allow you to extract a little more information from these events,” studied seismologist Andy Frassetto at Washington Seismology. This is explained on the website of the Incorporated Research Institutions for Seismology.

Some researchers can even determine the exact cause of the vibration drop in your area.

Stephen Hicks of Imperial College London attributed the reduced vibration in the area to falling traffic on the M4 motorway, the road connecting London and Wales.

“In recent days, it seems clearer that noise has increased much less at sunrise than in the previous weeks,” he posted on Twitter.

“I suppose this is because the intensity of traffic during the morning rush hours is much weaker: there are fewer passengers and no one runs to school.”

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To prevent the spread of the new crown pneumonia, countless cities have issued “foot ban orders” or even “closing cities,” forming a rare silent scene.

Seasonal variation

Such changes are not without precedent.

You may also know that human activity generally differs between different times of the day and year, because people reduce activity at certain times.

The night will be calmer than during the day, and on the most important holidays, this decrease will also occur.

However, what is happening worldwide now is that the decrease in activity intensity lasted for many weeks, perhaps even a few months, and this level of decrease generally only appeared briefly during the Christmas holidays and the like. .

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