Mount Michael is known to have erupted explosively in 1819, and has erupted repeatedly since 2000, most recently in 2005.
The 700 m (2,297 ft) diameter summit crater contains a persistent lava lake, one of only eight in the world.
Mount Michael is known to have erupted explosively in 1819, and has erupted repeatedly since 2000, most recently in 2005. The 700 m (2,297 ft) diameter summit crater contains a persistent lava lake, one of only eight in the world.
Saunders Island, South Sandwich Islands