What happens if Mullaperiyar dam breaks?
What happens if Mullaperiyar dam breaks?
If the Mullaperiyar Dam bursts, three reservoirs downstream — Idukki, Cheruthoni and Kolamavu — would face the brutal onslaught of unleashed water. If these dams cannot hold the force, the lives of 3.5 million people living in the region would be changed forever.
What will happen to Kerala if Mullaperiyar dam breaks?
A ‘break’ of the ageing dam at tremor-prone Mullaperiyar would send out flood waters rising up to 9.4 metres just below the reservoir, 12.41 metres a little further down at Vallakkadavu and 8.5 metres at Idukki.
When did Mullaperiyar dam break?
Dam safety After the 1979 Morvi Dam failure which killed up to 15,000 people, safety concerns of the aging Mullaperiyar dam and alleged leaks and cracks in the structure were raised by the Kerala Government.
Which dam is bigger Idukki or Mullaperiyar?
The capacity of Idukki reservoir is six times that of Mullaperiyar.
What happens if Mullaperiyar Dam bursts in Idukki?
THIRUVANANTHAPURAM: If – and it is an admittedly big ‘if’ – an earthquake, measuring 6 on the Richter scale, rocks Idukki district and the 116-year-old gravity dam in Mullaperiyar bursts, with water level at 136 feet, the resultant flood would submerge 50 sq kms of land downstream.
How old is the Mullaperiyar Dam in Kerala?
A series of earthquakes since 1979 has resulted in leaks and cracks in the 110 years old dam and today Mullaperiyar dam is a matter of serious safety concern for the people of Kerala, especially for the people of Idukki, Kottayam, Ernakulam and Alappuzha districts of Kerala.
Which is the upstream brink of Idukki reservoir?
Note: Section No. 1 represents the Mullaperiyar Dam site at Chainage 0.0 km and Section 46 represents the upstream brink of Idukki Reservoir at Chainage 36 km from Mullaperiyar Dam. Fig. 5.1a Dam break flood hydrograph and its routing downstream 35
What kind of material is Mullaperiyar dam made out of?
The Mullaperiyar Dam is a gravity dam made with concrete prepared from limestone and “surkhi” (burnt brick powder), and faced with rubble. Gravity dams use their weight and the force of gravity to support the reservoir and remain stable.