On July 1, 1940, the Tacoma Narrows Bridge, at that time the third longest suspension span in the world, was finally built. But four months later, the bridge, also known as  “Galloping Gertie,” had a brutal ending! The majestuous bridge across Puget Sound started swaying like a river and collapsed during a windstorm (42 mile-per-hour wind) on November … Continue reading Strange Earth Phenomenon: The Tacoma Narrows Bridge Sways and Collapses During Windstorm