Mapa topográfico Iliamna

Altitude média: 39 m

Altitude média: 68 m

Altitude média: 18 m

Altitude média: 6 m

Altitude média: 23 m

Altitude média: 141 m

Altitude média: 10 m

Altitude média: 37 m

Altitude média: 16 m

The national monument is centered on the 6-mile (9.7 km) diameter crater of ancient Mount Aniakchak, which was destroyed and the resulting crater formed during a caldera collapse event about 3,700 years ago. The original mountain, about 7,000 feet (2,100 m) tall, collapsed into its magma chamber, leaving an…

Altitude média: 376 m

Altitude média: 29 m