12,000 feet down, life is erupting. Alvin, a deep-sea mechanized probe, makes a voyage some 12,000 feet underwater to explore the Azores, a constantly-erupting volcanic rift between Europe and North America.
2011
2006
1998
1955
2009
2004
2020
1987
2016
1965
1947
2008
1995
2023
1945
2019
1912