ch05/quake/EarthquakeRunner.java
 import java.util .Scanner;

 /**
 This program prints a description of an earthquake of a given magnitude.
 */
 public class EarthquakeRunner
 {
public static void main(String[] args)
 {
 Scanner in = new Scanner(System.in);

 System.out.print(Enter a magnitude on the Richter scale: );
 double magnitude = in.nextDouble();
 Earthquake quake = new Earthquake(magnitude);
 System.out.println(quake.getDescription()) ;
 }
 }