Earthquakes occurring at a depth of less than 70 km are classified as 'shallow-focus' earthquakes, while those with a focal-depth between 70 and 300 km are commonly termed 'mid-focus' or 'intermediate-depth' earthquake.
The point within Earth's interior where the energy release of an earthquake occurs is known as the focus or hypocenter. This is the location where the seismic waves originate and spread outwards, causing the shaking and damage on the Earth's surface. The epicenter, on the other hand, is the point directly above the focus on the Earth's surface.
The place on Earth's surface directly above the point where movement first occurs in an earthquake is called the epicenter. This is the point on the surface located vertically above the earthquake's focus (or hypocenter), where the seismic waves originate.
The focus of an earthquake is the point along a fault at which the first motion of an earthquake occurs.The epicenter of an earthquake is the point on Earth's surface directly above an earthquake's starting point, or focus.
An earthquake occurs deep in the earths crust caused by the displacement of two faults in the crust. Directly above the fault on the earths surface is called the epicenter. Which shows the aftermath of the strike slip fault that occured in the earths crust. So the strike slip fault is the effect of the displacement of the crust at that point deep in the earths crust which causes an earthquake to happen whenever there is a displacement of two faults.
The spot on the surface directly above where the earthquake occurs is called the epicenter. It is usually the point on the Earth's surface closest to where the seismic waves originate deep within the Earth.
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An EarthQuake Accurs
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The surface of the earth moves violently in an earthquake. This occurs when there is a sudden release of energy in the earths crust. Anything from a volcano to a tectonic plate shift can cause an earthquake.
If the fault is responsible for the earthquake, there will be movement (displacement) along the fault.
A shallow earthquake occurs at a shorter depth from the surface of land, which can result in a louder, stronger quake. As an example, in 2011-2012, Ohio had a series of shallow quakes less than 2 miles beneath the surface, related to shale drilling. An intermediate earthquake occurs at a deeper depth than a shallow quake and likely involves natural fault lines.
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The point within Earth's interior where the energy release of an earthquake occurs is known as the focus or hypocenter. This is the location where the seismic waves originate and spread outwards, causing the shaking and damage on the Earth's surface. The epicenter, on the other hand, is the point directly above the focus on the Earth's surface.
The surface that is right above the epicenter of the earthquake,or the place that is right above where the earthquake starts.
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