How many people died in the Rapid City flood 1972?
238 people
238 people died in the 1972 Flood and more than 1330 homes were destroyed. Copyright 2022 KOTA.
What year was the big flood in Rapid City South Dakota?
1972
The flood took place on June 9–10, 1972 in the Black Hills of Western South Dakota. 15 inches (380 mm) of rain in a small area over the Black Hills caused Rapid Creek and other waterways to overflow….1972 Black Hills flood.
| Debris along Rapid Creek after the flood. | |
|---|---|
| Date | June 9–10, 1972 |
| Location | Rapid City, South Dakota area |
| Deaths | 238 |
What happened in Keystone South Dakota in 1972?
The flood on June 9, 1972, in Rapid City, S.D., is considered one of the worst flash floods in U.S. history. Total rainfall: An estimated 1 billion metric tons; heaviest rainfall was 15 inches in six hours in nearby Keystone, S.D.
What was the biggest flood in the United States?
The Great Mississippi Flood of 1927
The Great Mississippi Flood of 1927 was the most destructive river flood in the history of the United States, with 27,000 square miles (70,000 km2) inundated in depths of up to 30 feet (9 m) over the course of several months in early 1927.
What formed the Black Hills of South Dakota?
The Black Hills formed as a result of an upwarping of ancient rock, after which the removal of the higher portions of the mountain mass by stream erosion produced the present-day topography. From a distance the rounded hilltops, well-forested slopes, and deep valleys present a dark appearance, giving them their name.
What was the deadliest flood in US history?
The Great Mississippi Flood of 1927 was the most destructive river flood in the history of the United States, with 27,000 square miles (70,000 km2) inundated in depths of up to 30 feet (9 m) over the course of several months in early 1927.
Does Rapid City flood?
Canyon Lake Dam and many bridges were redesigned and rebuilt to prevent debris clogs. Rapid City and surrounding com munities are susceptible to extreme flooding because of their location in and around the Black Hills.
What dam broke in South Dakota?
Canyon Lake Dam
At 10:45 p.m., Canyon Lake Dam failed by overtopping. Looking downstream at the concrete riser structure. The flash flood within the watershed upstream of the dam carried debris-laden water down into Canyon Lake Reservoir where it accumulated.
What was the worst flood ever?
On August 1st, 1993, the Mississippi River at St. Louis crested at 49.58 feet, the highest stage ever recorded. The size and impact of the Great Flood of 1993 was unprecedented and has been considered the most costly and devastating flood to ravage the U.S. in modern history.