He felt as if they were standing over an active volcano.
"Perhaps you would like to walk through an active volcano?"
It is the most southern active volcano in the world.
The active volcano was made a national monument in 1990.
It is one of the most active volcanoes in this country.
This active volcano is one of the world's most accessible.
The mountain was once an active volcano, approximately 20 to 26 million years ago.
From 1883 he spent much time abroad, especially in areas of active volcanoes.
It last erupted in 2000 and is considered an active volcano.
The last is one of the most active volcanoes in Chile.