Consider the following statements regarding the earthquakes:1. The intensity of earthquake is measured on Mercalli Scale. 2. The magnitude of an earthquake is a measure of energy released.3. Earthquake magnitudes are based on direct measurements of the amplitude of seismic waves.4. In the Richter scale,each whole number demonstrates a hundredfold increase in the amount of energy released.

• A. 1,2 and 3
• B. 2,3 and 4
• C. 1 and 4
• D. 1 and 3