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John Winthrop was the first person to study earthquakes and was deemed the creator of seismology.
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Luigi Palmieri created the first electric seismometer that could record the time of an earthquake.
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The Irish scientist and engineer; Robert Mallet went to Naples after a incredibly strong earthquake devastated the land to research earthquakes. His research provided us with many early theories about seismology, such as the idea that earthquakes move outward from a central focus point, and that by finding out which direction the earthquake came from, then the focal points could be located.
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American geologist Grove Karl Gilbert discovered that earthquakes occur around a fault line.
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Italian physicist Filippo Cecchi created the first true seismograph that detected and recorded earthquakes.
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Giuseppe Mercalli was a seismologist who created a scale that could measure the intensity of an earthquake, as well as the damage done by it.
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The boundary between the crust and the mantle is the Moho boundary. Seismic waves change velocity at that depth, the one who discovered this is Croatian seismologist Andrija Mohorovicic.
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The Richter scale was created by Charles Francis Richter and measures the strength and magnitude of earthquakes using numerical values.
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