What benefits does USA gets from Panama canal?

The Panama Canal's greatest benefit was its effect on transportation between the east and west coasts of the U.S. The main benefit for Panama of canal construction was the introduction of new healthcare technologies.

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.