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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.

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Q: A shallow earthquake occurs less than km below earth's surface?
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Related questions

The earths surface where most earthquake damage occurs is called the?

Epicenter


What happens along a fault under the earths surface when an earthquake occurs?

it get weak


What are the difference between shallow and intermediate earthquake?

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.


What occurs when the plates of rock that form Earths surface slide back and forth?

An EarthQuake Accurs


The point on earths surface right above the spot where the first movement of an earthquake occurs is called earthquakes?

Focus


The surface of the earth moves violently in an what?

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.


What happens along a fault beneath Earths surface when an earthquake occurs.?

If the fault is responsible for the earthquake, there will be movement (displacement) along the fault.


What occurs when the earths plates grind past each other and form a fault?

the shaking of the earthquake


Underground center of an earthquake?

Earthquakes occur underground and are felt on the surface. The center of an earthquake on the surface is called the epicenter, and the center of the earthquake underground, where it occurs, is called the hypocenter or focus.


What section of earths crust moves when an earthquake occurs?

all of it it is the lower part of it


What is the point in earths interior where the energy release of an earthquake occurs?

Epicenter


How does a strike slip fault lead to an earthquake?

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.