The 1974 Brisbane floods began when Cyclone Wanda dumped huge amounts of rain on a waterlogged state on 25 January 1974.
The floodwaters took up to two weeks to subside in some places, but cleaning up was able to begin from around February 2.
1974
The Brisbane floods of 1974 affected the Brisbane River and the Bremer River basin.
Yes. Parts of Bardon did go underwater in Brisbane's 1974 flood. Ithaca Creek overflows caused this.
In the Brisbane 1974 floods, 16 people died, 300 were injured, and 9,000 people were left homeless.
A large amount of Brisbane was affected in the 1974 floods. Parts, or sometimes most, of the following suburbs were included:AlbionBalmoralBrisbane City (CBD)BrookfieldBulimbaChelmerCoorparooCorindaDarraDutton ParkEast BrisbaneFairfieldFig Tree PocketFortitude ValleyGracevilleHawthorneHemmantIndooroopillyJindaleeKangaroo PointKenmoreLong PocketLyttonMiltonMoggillMoorookaMurrarieNew FarmNewsteadNorman ParkOxleyPinkenbaPullenvaleRockleaSherwoodSouth BrisbaneTennysonToowongYerongaYerongpillyWest EndWindsorWoolloongabba
Four major floods have occurred in Brisbane.The first was on 14 January 1841. This was the biggest flood of the Brisbane River since records began with the river being approximately 8.6 metres above the high tide mark. There was limited destruction to property as the town was still very young and undeveloped.The next major flood began on 5 February 1893. These floods came within 7cm of the 1841 levels.The worst floods in terms of death and loss of property occurred in January 1974 when tropical Cyclone Wanda developed into a rain depression that dumped hundreds of millimetres of rain on an already saturated southeast Queensland. This flood reached a height of 5.5 m. Since the construction of Wivenhoe Dam on the Brisbane River within a few years of this flood, Brisbane was believed to be flood-proof.The most recent major floods to hit Brisbane occurred on 11 January 2011. On this date, the Brisbane River again broke its banks. The flood was the result of a La Nina weather pattern, together with the state being saturated by the rainfall resulting from a cyclone system that hit in the north on Christmas Day 2010. Wivenhoe Dam, which was designed to prevent any further floods, exceeded 160% capacity, requiring the release of a massive amount of water, comparable to the volume of Sydney harbour.
Four major floods have occurred in Brisbane.The first was on 14 January 1841. This was the biggest flood of the Brisbane River since records began with the river being approximately 8.6 metres above the high tide mark. There was limited destruction to property as the town was still very young and undeveloped.The next major flood began on 5 February 1893. These floods came within 7cm of the 1841 levels.The worst floods in terms of death and loss of property occurred in January 1974 when tropical Cyclone Wanda developed into a rain depression that dumped hundreds of millimetres of rain on an already saturated southeast Queensland. This flood reached a height of 5.5 m. Since the construction of Wivenhoe Dam on the Brisbane River within a few years of this flood, Brisbane was believed to be flood-proof.The most recent major floods to hit Brisbane occurred on 11 January 2011. On this date, the Brisbane River again broke its banks. The flood was the result of a La Nina weather pattern, together with the state being saturated by the rainfall resulting from a cyclone system that hit in the north on Christmas Day 2010. Wivenhoe Dam, which was designed to prevent any further floods, exceeded 160% capacity, requiring the release of a massive amount of water, comparable to the volume of Sydney harbour.
Four major floods have occurred in Brisbane.The first was on 14 January 1841. This was the biggest flood of the Brisbane River since records began with the river being approximately 8.6 metres above the high tide mark. There was limited destruction to property as the town was still very young and undeveloped.The next major flood began on 5 February 1893. These floods came within 7cm of the 1841 levels.The worst floods in terms of death and loss of property occurred in January 1974 when tropical Cyclone Wanda developed into a rain depression that dumped hundreds of millimetres of rain on an already saturated southeast Queensland. This flood reached a height of 5.5 m. Since the construction of Wivenhoe Dam on the Brisbane River within a few years of this flood, Brisbane was believed to be flood-proof.The most recent floods occurred inBbrisbane on 11 January 2011,when the Brisbane River again broke its banks. The flood was the result of a La Nina weather pattern, together with the state being saturated by the rainfall resulting from a cyclone system that hit in the north on Christmas Day 2010.Wivenhoe Dam, which was designed to prevent any further floods, exceeded 160% capacity, requiring the release of a massive amount of water, comparable to the volume of Sydney harbour.
Browns Plains was not one of the areas affected in the 1974 Brisbane floods.
The floods in Brisbane in 2011 started when the Brisbane River broke its banks on 11 January 2011. Prior to that, there had been some periodic flash flooding as a result of excessive rainfall in the preceding months, but the release of massive amounts of water from Wivenhoe Dam led to a flood situation comparable to that of 1974.The floods in the state of Queensland actually began as early as 10 December 2010 as rivers broke their banks in central Queensland.
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Ipswich, west of Brisbane, Queensland is prone to flooding when there is a major rainfall event.Ipswich has undergone extensive flooding - firstly in 1974, when Brisbane also went under, and again in January 2011. In the most recent event of 2011, the massive Wivenhoe Dam west of Ipswich exceeded 180% capacity, meaning water had to released into the Brisbane River large volumes, equivalent to several Sydney Harbours. This, of course, had a flow-on effect for the Bremer River in Ipswich.In major rainfall events such as these, lower areas of Ipswich are most definitely under threat, but even people who are not in the usual low-lying regions should take whatever precautions they can. All the water coming down from the Brisbane Valley and Lockyer Valley has to go somewhere, and the Bremer River in Ipswich is easily swollen.