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The Wivenhoe Dam was built approximately 80 km upstream from Brisbane after the 1974 floods. As a result of the flood, planning for the Wivenhoe Dam included flood mitigation as well as its original water supply purpose. [26] The flood was a defining event for a generation of Brisbane residents. [27]
1974 Flood: Brisbane flood: 16 980,000,000 AUD 1974 Cyclone: Cyclone Tracy: 71 645,350,000 USD (1974) Cyclone Tracy destroys the city of Darwin on Christmas Day 1974. Top wind gust recorded was 217 kilometres per hour (135 mph). [52]
27 January 1974, the largest flood to affect Brisbane City in the 20th Century, with a level of 5.45 metres; Post construction of Wivenhoe Dam 11 January 2011 with a level of 4.45 metres [66] 28 February 2022, 4.0m flood peak; Flooding along the Brisbane River has the potential to be devastating, as documented in 1974, 2011 and 2022. [67]
Track of Cyclone Tasha. Brisbane experienced major flooding in 1893 and 1974 as the Brisbane River broke its bank and inundated low-lying areas. Towns, including St. George and Theodore, had dealt with major flooding earlier in 1996.
A record strong monsoon gave an average rainfall over Australia of 231.69 millimetres (9.12 in), which beat the previous record by 105.11 millimetres (4.14 in), [1] resulting in the heaviest flood of Lake Eyre for at least 500 years. [2] January 1974 is also the wettest month since before 1900 over the following sub-regions of Australia:
1974 Jan 27: 1974 Brisbane flood. Cyclone Wanda [202] Explosion: Appin, New South Wales: 14: 1979 Jul 24: Appin Colliery Gas Explosion during a planned ventilation change [203] Cyclone/flood: Queensland and New South Wales: 14: 2017 Mar 27 – Apr 1: Cyclone Debbie causes severe flooding throughout Queensland and New South Wales, with resultant ...
English: Aerial view of Brisbane City during the 1974 flood, January 1974, looking NE along Mary and Margaret Streets towards the Brisbane River with Kangaroo Point and the Story Bridge in the background. The Parkroyal Motor Inn is visible on the far right of the photo (now known as Royal on the Park).
[1]: 7.34 The 2011 Brisbane Flood Flag Map indicates that areas adjacent to the Corinda landslip are prone to flooding in the future, [5] and the CSIRO has warned that, with global warming, extreme weather events such as the rainfall event which triggered the 1974 Corinda landslip are likely to become more frequent. [6]