Mount Redoubt, also called Redoubt Volcano, is a volcano in the U.S. state of Alaska. It rises 10,197 feet (3,108 m) above sea level and 9,147 feet (2,788 m) above the valleys around it. It is about 100 miles (160 km) from the city of Anchorage.
On March 22, 2009, Mount Redoubt erupted, sending ash high in the air and covering the mountains around with ash. No people live near Mount Redoubt, but the ash spread into towns and cities and the airport of Anchorage was closed shortly. Other years when it erupted include 1902, 1922, 1966, and 1989.
Eruption of 2009. The valley below Mount Redoubt is covered with ash and mud from lahars (volcanic mudflows).