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Define Earthquakes and explain the types of earthquake waves

Define Earthquakes and explain the types of earthquake waves.

Answers

Martin
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-Sudden and rapid movement of the earth’s crust.

-areas prone to them are called seismic zones and those not prone are called aseismic zones.

It’s caused by shock waves.

There are 3 types of earthquake waves namely:

1. Primary waves-which travel fastest and cause the rock particles to vibrate in a push and pull manner and can pass through gases, liquids and solids.
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Earth quake originates from a point known as seismic focus/origin.
The part of the earth vertically above the seismic focus and where the shock waves are first experienced is called epicentre.
marto answered the question on March 25, 2019 at 07:21

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