American Samoa
The mountain is a volcanic feature known as a trachyte plug. This means that it is a volcanic intrusion made of extrusive igneous rocks and minerals which have a fine-grained, generally porphyritic texture.
American Samoa
Postal Code: AS
Capital City: Pago Pago
Became a State: November 30, -0001
Population: 54,343*
Area: 581.05 miles2 (1,504.92 km2)
