Consider the following statements with refrence to Measuring and locating of earthquakes 1 Seismic w...........

Geography Shape and Motions of Earth

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Consider the following statements with refrence to Measuring and locating of earthquakes:

1. Seismic waves travel through the Earth's interior and can be recorded by seismometers at great distances.

2. Earthquakes are categorized only by their magnitude where they occur.

Which of the statements given above is/are correct?

1 only

2 only

Both 1 and 2

Nether 1 Nor 2

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Explanation:

The instrumental scales used to describe the size of an earthquake began with the Richter magnitude scale in the 1930s. It is a relatively simple measurement of an event's amplitude, and its use has become minimal in the 21st century.The surface wave magnitude was developed in the 1950s as a means to measure remote earthquakes and to improve the accuracy for larger events. Earthquakes are not only categorized by their magnitude but also by the place where they occur.