Magnitude is related to the amount of seismic energy released at the hypocenter of the earthquake. It is based on the amplitude of the earthquake waves recorded on instruments which have a common calibration. The magnitude of an earthquake is thus represented by a single, instrumentally determined value.
Answer: The state of Sao Paulo is responsible for about half of Brazil's Gross Domestic Product as well as about two-thirds of its manufacturing. While only about 5% of the land is cultivated, Brazil leads the world in coffee production (about a third of the global total)
