When one block suddenly slips and moves relative to the other along a fault, the energy released creates vibrations called seismic waves that radiate up through the crust to the earth’s
An earthquake is ground shaking caused by a sudden movement of rock in the earth’s crust. The place where an earthquake begins underground is called the hypocenter, and the area on the Earth's surface directly …
Tectonic earthquakes occur anywhere in the earth where there is sufficient stored elastic strain energy to drive fracture propagation along a Get in touch with us and we'll talk...However, their boundaries can be mapped accurately from outer space, via measurements from GEOSAT satellites. There are two kinds of waves that radiate through the earth during an earthquake, one called the Rayleigh waves which move with a rolling, up and down motion, while the other is called love waves, which cause the ground to twist from side to side.They are responsible for quaking, cracking of the earth’s crust, crumbling of buildings, etc. How are they detected? These waves resemble the ripples formed in a pond.As the ripples of these waves move, they shake our earth and quaking of the earth takes place. Most are so small that we don't even know about them, and they only get recorded by the related professional agencies. Tectonic plates are made of rough rock and cannot slide past each other smoothly. When two plates rub against each other they stick a little. It is mandatory to procure user consent prior to running these cookies on your website.Sign up to receive the latest and greatest articles from our site automatically each week (give or take)...right to your inbox. Green's work appears in Synonym, Sciencing, and other websites and ezines Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved.

Well, we're looking for good writers who want to spread the word. Earthquakes happen when these plates move under, slide past one another, or collide into one another.The surfaces where these plates slip are termed as fault planes or faults, and the plate boundaries are made up of several such faults or slipping zones.Since the edges of these plates are rough, the sliding process is not very smooth. You also have the option to opt-out of these cookies. This sudden release of energy gives rise to seismic wave and make the ground shake. Friction prevents movement at the plate edges while the rest of the plates continue to move, causing a buildup in pressure. Thus, the earth’s crust is not actually one solid layer, instead is like a puzzle, with pieces coming together to form one big picture.The size of these puzzle pieces or plates can vary from a few hundred to thousands of kilometers, while their thickness may vary from less than 15 km to 200 km. Earthquakes can also rarely occur in the middle of tectonic plates. This ripping of the stuck part of opposing plates results in release of oodles of potential energy, that was stored for the sliding movement.Here’s when the earthquake seismic waves come into picture. An earthquake is a shock wave that radiates to the Earth's surface from underground.

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