permanent crops: 0%

other: 100% (2005)

Irrigated land:

0 sq km

Natural hazards:

Mawson Peak, an active volcano, is on Heard Island

Environment - current issues:

NA

Geography - note:

Mawson Peak on Heard Island is the highest Australian mountain (at 2,745 meters, it is taller than Mt. Kosciuszko in Australia proper), and one of only two active volcanoes located in Australian territory, the other being McDonald Island; in 1992, McDonald Island broke its dormancy and began erupting; it has erupted several times since, the most recent being in 2005