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.
1964
1975
2019
1958
2020
1980
1995
1945
2023
2014
1959
1967
2015
1974
2025
1962