In 1973, after a series of earthquakes, a fissure opened up on the eastern side of the Icelandic island of Heimaey. As the eruption developed over time, it became more dangerous, and a variety of measures were undertaken to stop the flow of lava.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices