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Mangaluru prone to earthquakes, says survey

[email protected] (DHNS)
May 6, 2015

Mangaluru, May 6: According to an experts survey, it has been found that buildings in Bejai-Balmatta, Attavar -Hampankatta, have not adhered to IS 1893 : 2002, Part 1, which is the criteria for earthquake resistant design of structures, NITK?Civil Engineering Department Professor D Venkat Reddy said.

He was delivering a talk on ‘Earth, oceans and coastal zone management’, organised by Institution of Engineers (India) local centre an Institution of Valuers Mangalore Branch in Mangaluru.

mangalurucity

The city falls in seismic zone-3 which means that the quakes of intensity six could occur. The buildings could withstand the earthquakes up to five in the Richter scale. As per Indian Standards on Earthquake Engineering, IS1893:1984 criteria for Earthquake Resistant Design of Structures, the country has been categorised into five seismic zones, based on the seismic intensity. IS is about earthquake resistant design of structures and is applicable to buildings, and other structures such as bridges, dams etc. Earthquakes of magnitude of eight take place in zone five. Nethravathi and Gurupur river basins are tectonically active.

As observed in Nepal, the structural failure of buildings have caused more amount of damage. In contrast, the Pashupathinath Temple is intact, though the building in its surrounding have been badly effected, which is due to the difference in structural pattern.

He further said that seismic waves alone are not responsible . Seismic activities take place round the clock. The earthquakes take place due to the sudden failure of strata. As per an estimation, around one thousand take place across the world everyday and three of them could be serious.

A lineament which is a fault in the underlying geological structure and the constructions on these lineaments such as railway tracks, bridges etc could cause more danger. IIS?has established a network system which records the seismic activities and which can even record 0.1 mm change in the crest of the earth. As per the movement of earth plates, a region will be displaced in a span of hundred years.

Comments

Arjun Neil Menezes
 - 
Tuesday, 20 Feb 2018

I'm building a 1story house with slab on load bearing walls instead of the concrete frame structure. Will this be resistant agaianst earthquakes?

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News Network
July 2,2020

Mangaluru, Jul 2: Mangaluru BJP Corporator Manohar Shetty, who entered a manhole to clean a drain, said that he did it to avoid waterlogging ahead of monsoon as people were facing several problems for the past few years.

"In my ward, there is a rainwater drain at Kadri Kambla junction and for the past few years, there was a waterlogging problem due to trash water used to collect and vehicles used to find it difficult to pass in that area," Shetty said.

"Since there was a lot of trash it had to be cleared to avoid waterlogging. We changed our dresses, and then I along with my three party workers entered manhole and cleared the trash," he said.

The Mangaluru BJP Corporator further said that it was not a publicity stunt, and he cleaned the drain to solve the problem of people. "During elections, I had promised people to get the drain cleaned. Since monsoon was coming; something had to be done; we did not do it for publicity but to solve a problem," he said.

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News Network
February 10,2020

Bengaluru, Feb 10: Former Karnataka chief minister HD Kumaraswamy's son Nikhil Kumaraswamy today got engaged to Revathi, the grand-niece of Congress leader and realtor M Krishnappa.

On February 6, Mr Nikhil shared a picture with Ms Revathi on his official Facebook account.

Mr Nikhil's grandfather and former prime minister of India HD Deve Gowda attended the event along with several other politicians at the Taj West End.

BJP leaders including Chief Minister B S Yediyurappa former chief minister Jagadish Shetter were also present.

Mr Nikhil, 30, is a Kannada film actor who made his debut in the bilingual movie Jaguar in 2016. The actor will soon start shooting for his new movie Production No-1.

In the 2019 Lok Sabha elections, he lost to Sumalatha Ambareesh, widow of former Karnataka actor Ambareesh, in the Mandya constituency in Karnataka.

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News Network
February 28,2020

Mangaluru, Feb 28: In a shocking incident, an engineering student has committed suicide on the railway track at the Someshwara railway station near Ullal on the outskirts of the city.

The deceased has been identified as S Rayagowda (23) from Belgaum.

It is suspected that he resorted to the extreme step due depression after love failure. Railway police are investigating the matter.

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