The Formation Today
Waterfalls are short-lived geological formations. Their successful operation causes them to erode themselves out of existence, and they degenerate into rapids. When Mackinac Falls was submerged, however, it ceased to erode. The formation "froze" underwater in the form that it had been when it disappeared under the water of Lake Huron.
The lip of what was once Mackinac Falls today lies under 110 feet (33 m) of water. The base of the waterfall formation lies approximately 210 feet (63 m) down. The waterfall was discovered on August 16, 2007 by the Great Lakes research vessel Pride of Michigan as it took careful soundings of the lakebed east of Mackinac Island.
Under current geological conditions, the waters of four North American Great Lakes drain through Niagara Falls, which is 167 feet (51 m) tall. By contrast, Mackinac Falls drained one Great Lake and was 100 feet (30 m) tall.
Read more about this topic: Mackinac Falls
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