Well, I am in my room and thinking what are 10 facts about the earthquake, isn’t it crazy?
We all know how much damage they can do especially if you live near such a place where earthquakes often occur.
But after some (here ‘some’ means much) research I have found 10 interesting facts about the earthquake with some bonus facts.
I hope you will like it. So let’s get started-
Hey but before this let’s say hi to the earthquake and its types.
What is an earthquake?
An earthquake is an intense shaking of rocks in the earth’s crust. The shaking is caused due to the movements in Earth’s outermost layer.
There are almost 500,000 detectable earthquakes in the world each year. But the good thing is that only 100,000 of those can be felt, and 100 of them cause damage.
What are the types of earthquakes? 📒
If we see its types then there are four main types of earthquakes: tectonic, volcanic, collapse and explosion.
A tectonic earthquake occurs when the earth’s crust breaks because of geological forces on rocks and adjoining tectonic plates.
A volcanic earthquake is a kind of earthquake that results from tectonic forces which occur in conjunction with volcanic activities done by volcanoes.
A collapse earthquake is an earthquake in underground caverns and mines that are caused by some seismic waves.
An explosion earthquake: an earthquake that is the result of the detonation of a nuclear or chemical device.
10 Facts about the earthquake
1.Before earthquake animals behave strangely
Many times it has been observed that animals change their behaviour before an earthquake.
Before the Indonesian earthquake and tsunami (2004), some witnesses reported seeing animals and birds heading for the higher ground.
According to scientists, animals may sense weak tremors before a quake, or possibly electrical signals triggered by the shifting of some underground rocks.
This tells us that animals are more sensitive than us.
2. Earthquakes Can Uproot Crops
This is a crazy thing but we know this can be possible if they can uproot the buildings then this is just crops.
Following the magnitude of around 7.8’s earthquake that hit Nepal in April 2015.
Many scientists that are studying its damage observed that bushels of carrots scattered along the ground in various villages.
3. Moonquakes, earthquakes of the moon.
If I say that it happened on earth that’s why it is an earthquake and if it is on the moon then it will be a moonquake.
If we think that only we have then we are wrong because.
Sometimes it appears they are related to the tidal stresses associated with the varying distance between the Earth and Moon.
They also occur at great depth, sometimes about halfway between the surface and its centre.
And same like the moon there are also sometimes quakes on Mars and other planets.
4.Earthquakes on one side of Earth can also shake the other side.
Seismologists that are studying the massive 2004 earthquake that triggered killer tsunami throughout the whole Indian Ocean found that-
The quake had weakened at least some portion of California’s famed San Andreas Fault. And the Chilean quake of 1960 shook the entire Earth for some days.
5.Is the ring of fire The ring of earthquakes?
Do you know where the most earthquakes on earth happen?
In the ring of fire.
The Ring of Fire is the zone of earthquakes surrounding the Pacific Ocean.
And the interesting thing about it is-
Nearly 80% of all janet’s earthquakes occur along the ring of the Pacific Ocean, called the “Ring of Fire”;
A region that encircles the Pacific Ocean and is the home of around 452 volcanoes (over 75% of the world’s active and dormant volcanoes).
And the most recorded earthquakes happen in Japan. And the reason behind this Japan is within something known as ‘The Pacific Ring of Fire’.
6. Oil mining can also cause an earthquake
This is one of the crazy facts about the earthquake, like what is the relation between oil mining and earthquakes.
But Oil mining can also be the cause of minor earthquakes. Since the oil is present within the softer section of some rocks, when it is mined, other rock moves in to fill the gap, causing small seismic activities that are not generally felt by humans.
7. We can’t hear earthquakes
As we know Human beings can detect sounds in the frequency range of 20-20,000 Hertz.
So, If a wave refracts out of the rock surface into the air, and it has a frequency in the audible range, it will be heard like a rumble.
Most of the earthquakes that occur on this have waves that have a frequency of less than 20 Hz, so the waves themselves are usually not heard.
Most of the rumbling noise heard during an earthquake is basically from buildings and their contents moving.
8. Sudden slips of the earth’s crust make earthquakes?
If we talk about how and why earthquakes happen?
Then the answer is simple.
Most earthquakes happen when two very large pieces of the Earth’s crust (tectonic plates) suddenly slip. This causes shock waves that shake the surface of the Earth in the form of an earthquake.
Then where do earthquakes happen? Earthquakes usually happen in large sections of the Earth’s crust called tectonic plates.
And these plates slowly move over a long period.
All Earthquakes happen at the edges of these plates. If you see this map you will know why the ring of fire is a place of the earthquake. Map
9.The earthquake also has a magnitude
The magnitude of an earthquake is a kind of measured value of the earthquake size.
And this magnitude is the same for everywhere no matter where you are, or how strong or weak the shaking was in various locations.
And the intensity of an earthquake is a measure of the shaking created by the earthquake, and this value may vary with location.
10. Plates are responsible for earthquake
Natural events like volcanic eruptions and meteor impacts can also cause earthquakes, but most of the naturally occurring earthquakes are triggered by the movement of the earth’s plates.
Our earth’s surface consists of 20 constantly moving plates.
The pressure increase from shifting plates can cause it to break. This break of plates allows all this stress to be released as energy, which moves through the earth in the form of waves (earthquakes).
The earliest And Largest earthquake ever recorded
The earliest ever reported quake for which we have descriptive information occurred in China around 1177 B.C
If we talk about the world then the largest recorded earthquake in the world was a magnitude 9.5 in Chile on May 22, 1960.
It was a devastating one.
Mythology and myths about the earthquakes
It is interesting to see what mythology says about earthquakes.
In ancient Japanese mythology, it was believed that Namazu – a giant catfish – which lives submerged in the mud under the Japanese islands, was responsible for all these earthquakes.
While in ancient Greek, it was believed that Poseidon, who is the god of the sea and ocean, caused earthquakes by banging on the earth with his trident when he got angry.
Icequakes of Antarctica 🧊
The interior of Antarctica also has some other kinds of quakes called icequakes which are much smaller than earthquakes but more frequent than earthquakes in Antarctica.
These icequakes are very similar to earthquakes but they occur within the ice sheet itself instead of the land underneath the ice.
While researching I get shocked to see how many kinds of earthquakes there are.
Sometimes earthquakes can affect the length of a day? What
What is the relation between and rotation of the earth? Is there any?
Let’s know by example.
On 11 March 2011, an earthquake of 8.9 magnitudes that struck northeast Japan altered the distribution of the earth’s mass, causing it to rotate slightly faster, and shortening an earth day by around 1.8 microseconds.
I know this time is very small but the interesting thing to note here is that they can affect the rotation of the earth.
An earthquake can shrink the Everest
This is one of the crazy and funny facts about the earthquake.
On 25 April 2015, a magnitude 7.8 earthquake inflicted so much damage to the nation of Nepal, causing several Himalayan mountains to shrink.
And these mountains also include Mount Everest which shrunk by one inch.
The biggest earthquake has moved a city about 10 feet.
One of the biggest ever recorded earthquakes happened in Chile, an earthquake with a magnitude of about 8.8.
It was a disastrous one that a city in Chile moved about 10 feet as a result of the enormous 8.8 magnitude earthquake in 2010.
And this particular earthquake is also thought to have changed the planet’s rotation slightly and shortened the day.
In this article, we have read 10 interesting facts about the earthquake.
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