Hussey Crater is an impact crater in the Phaethontis quadrangle on Mars at 53.8° S and 126.7° W. and is 99.0 km in diameter. Dunes are visible in the northern part of the crater floor. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On Mars large craters are named after deceased scientists, writers and others who have contributed to the lore of Mars. Small creaters (less than 60km) are named after small towns and villages.