SOLAR SYSTEM

UNIVERSE

PLANETARY INTERIORS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The point of origin of an earthquake on the Earth’s surface is known as ____
A
the epicenter
B
the focus
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The point where the earthquake originates is called the seismic focus. The point on the Earth’s surface vertically above the focus is called its epicentre.

Detailed explanation-2: -An earthquake is a sudden shaking of the earth as a result of the movements of lithospheric plates. These earthquakes have a point of origin. This point of origin of an earthquake is called the epicentre.

Detailed explanation-3: -Scientists use triangulation to find the epicenter of an earthquake. When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. Every earthquake is recorded on numerous seismographs located in different directions.

Detailed explanation-4: -What Does ‘Epicenter’ Mean? Deriving from Greek by way of Latin, the prefix epi-means “upon” or “over, ‘’ among other things. So it makes sense that the epicenter sits above the site where the activity of the earthquake takes place.

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