| Prob. Risk |
Area (sq. mi.) |
Area Pop. |
Some Larger Population Centers in Risk Area |
| 15 % |
102,484 |
15,269,127 |
Philadelphia, PA...Denver, CO...Virginia Beach, VA...Colorado Springs, CO...Raleigh, NC... |
| 5 % |
556,991 |
86,410,762 |
New York, NY...Houston, TX...Jacksonville, FL...Baltimore, MD...Charlotte, NC... |
|