6.8
1980
 The Eruption of Mount St. Helens! (1980)
The Eruption of Mount St. Helens! (1980)
5.7
1999
 Amazing Journeys (1999)
Amazing Journeys (1999)
6.8
1991
 Ring of Fire (1991)
Ring of Fire (1991)
6.9
1998
 Alaska: Spirit of the Wild (1998)
Alaska: Spirit of the Wild (1998)
6.8
1994
 Africa: The Serengeti (1994)
Africa: The Serengeti (1994)