An interesting video from 1971 of an underground nuclear test on Amchitka Island, in Alaska. This particular test was the impetus for the creation of Greenpeace:
In 1971, motivated by their vision of a green and peaceful world, a small team of activists set sail from Vancouver, Canada in an old fishing boat. These activists, the founders of Greenpeace, believed a few individuals could make a difference.
Their mission was to “bear witness” to U.S. underground nuclear testing at Amchitka, a tiny island off the West Coast of Alaska, which is one of the world’s most earthquake-prone regions.
Amchitka was the last refuge for 3,000 endangered sea otters, and home to bald eagles, peregrine falcons, and other wildlife.
Even though their old boat, the Phyllis Cormack, was intercepted before it got to Amchitka, the journey sparked a flurry of public interest.
The U.S. still detonated the bomb, but the voice of reason had been heard. Nuclear testing on Amchitka ended that same year, and the island was later declared a bird sanctuary.
Here’s the video of the test – it created a 6.8 magnitude earthquake, and lifted up parts of the island 25 feet.