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    What Are Primary School Earthquakes?

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    Carlos Laforet Coll
    @carloslaforetcoll
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    What Are Primary School Earthquakes?

    What Are Primary School Earthquakes?

    The earthquake or earthquake is a natural phenomenon. It is a sudden and rapid shaking of the earth's crust. It occurs when seismic waves from an area deep inside the Earth reach the surface and propagate in all directions (such as when throwing a stone into the pond).

    How are primary school earthquakes measured?

    The intensity of earthquakes is measured using two scales that correspond to the effects of the earthquake on the territory (Mercalli scale) and to the energy released by the earthquake (Richter magnitude). The two scales are sometimes confused but they measure very different magnitudes.

    What is the name of the instrument for measuring earthquakes?

    The intensity of earthquakes is measured using two scales that correspond to the effects of the earthquake on the territory (Mercalli scale) and to the energy released by the earthquake (Richter magnitude). The two scales are sometimes confused but they measure very different magnitudes.
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