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.
2019
1937
1948
1963
2005
2000
1998
2020
1982
1955
2022
2021
2017
1949
2016
2002
1913
1984
2001