Which one of the following is NOT true about the magnitude of the earthquake?
1
The size of the earthquake is called its magnitude
2
The magnitude of the earthquake is indicated by numbers 0 to 9 on the Richter scale
3
We are not likely to feel an earthquake measuring 3.0 or less on the Richter scale
4
With an increase of just one point on the Richter scale, the magnitude of the earthquake increases 3 times