This 2016 episode covers the aftermath of after a series of earthquakes on the eastern side of the Icelandic island of Heimaey in 1973. As the eruption developed over time, it became more dangerous, and a variety of measures were undertaken to stop the flow of lava.

Robert Moses and the Shaping of New York, Part 2
42:12

Robert Moses and the Shaping of New York, Part 1
41:59

SYMHC Classics: Eradication of Smallpox
43:25