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Earthquakes are tremors or vibrations in the Earth's crust that are caused by the build up or accumulation of pressure (more correctly termed stress).
This accumulation of stress causes the rocks that make up the crust to deform elastically. This is very similar to what happens when you squash or stretch a spring and causes a form of energy to be stored in the rocks of the crust - technically described as elastic potential energy.
When this stress gets to large, it exceeds the strength of the rocks in the crust and causes a brittle failure. Brittle failures are failures where fractures form through the material.
This sudden brittle failure causes all of the elastic potential energy to be released at one time in the form of seismic waves, just as if a spring or elastic band that was being stretched suddenly snapped.
What else can I help you with?
What earthquake words start with x?
One example of an earthquake-related word that starts with "x" is "seismic" which refers to the waves of energy caused by an earthquake.
What is the place on earth's crust directly above the place where and earthquake starts?
The place on Earth's crust directly above the point where an earthquake starts is called the "focus" or "hypocenter." This is where the seismic waves of an earthquake originate and spread outward in all directions.
Where is the location underground where an earthquake starts?
The location underground where an earthquake starts is called the focus or hypocenter. It is the point within the Earth where the fault rupture begins and energy is released, generating seismic waves that propagate to the surface, causing an earthquake.
The point on earths surface where an earthquake starts is called?
Within the Earth, the focal point of the energy released in an earthquake is called the hypocentre or focus. This is where an earthquake actually begins. The place on the Earth's surface directly above this point is known as the epicentre.
The place inside Earth where an earthquake starts in the what?
The place inside Earth where an earthquake starts is called the "focus" or hypocenter. This is the point beneath the Earth's surface where the seismic energy is released, generating seismic waves that cause the ground to shake.
focus?
the point within earth where the earthquake starts
Where does a shockwave in an earthquake start?
It starts at the focus or hypocentre of the earthquake.
Where earthquake begins?
it starts in the focus
When is 2012 earthquake starts?
There will, no doubt, be an earthquake in 2012 but no one can know when or where it will happen, or how severe it will be.
What is the name above an earthquake?
The point at which the earthquake starts - is the Epicentre.
What is an earthquake word that starts with the letter A?
AWSOME
What is a earthquake fact that starts with Q?
Quiver
Where is the most damage done when an earthquake occurs?
The surface that is right above the epicenter of the earthquake,or the place that is right above where the earthquake starts.
What earthquake word starts with the letter j?
jerky
What event lead to an earthquake?
For a earthquake to happen first the plate from the ground starts to move up and down.
How are earthquakes different from mountains?
Because a earthquake isn't a mountain.. A earthquake starts to happen underground then is on top.
Where inside the earth does an earthquake start?
An earthquake starts at the FOCUS in Earth and the epicenter is the place directly above the focus.
