Top 10 Interesting facts about Earthquakes
The tectonic plates are always moving, yet they can become trapped at times. When they become trapped, pressure builds up, causing the plates to shift unexpectedly. This results in a quake!
Because they reside on the edges of tectonic plates, certain nations are more prone to earthquakes. The Earth's outer layer is made up of tectonic plates. They're built of rock, and they're always moving.
Before a large earthquake, there may be foreshocks.
It might be one or more minor earthquakes that occur in the build-up to a larger one, known as the main shock. These are frequently used by scientists to forecast large earthquakes.
Earthquakes can be produced by natural occurrences such as volcanic eruptions and meteor strikes, but the bulk of naturally occurring earthquakes are caused by plate movement.
The earth's surface is made up of 20 plates that are continually shifting. Shifting plates can cause the crust to shatter due to increased pressure. Stress may be released as energy, which travels through the ground in the form of waves (aka earthquakes).
Around the world, the National Earthquake Information Center (NEIC) monitors an average of 20,000 earthquakes every year (about 50 per day). However, it is anticipated that millions of earthquakes occur each year that are too weak to be recorded.
The majority of earthquakes in Canada are minor, although there have been at least 9 earthquakes with magnitudes larger than 7 in the previous 100 years. A severe quake in a densely populated region might wreak havoc.
Seismic waves are the shockwaves that propagate through the ground. They are quite powerful at the epicentre of the earthquake. The waves reach the surface, causing the ground to quake and damage to occur.
An earthquake's epicentre is located immediately above the hypocenter. The hypocentre is located beneath the earth, whereas the epicentre is located above the ground. This is the point at which the earthquake begins.
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