Mangaluru prone to earthquakes, says survey

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
January 6,2020

Jan 6: A Thane resident lost a little over Rs 1 lakh in an online fraud involving popular payment gateways, police said on Saturday. The complainant, a resident of Patlipada, wanted to sell his furniture and posted an ad on Facebook on December 21, an official said.

On December 24, he received a call from one Rajendra Sharma who offered to buy the furniture and wanted to transfer the amount through payment gateways — Paytm and Google Pay, he said.

However, instead of the money getting credited to his account, the complainant found that Rs 1.01 lakh were debited from him during three transactions on two payment gateways, the official said.

The complainant realised that he had been cheated when the accused assured that he would return the money and asked him for another account number, he added.

An offense has been registered against the unidentified accused under section 420 (cheating) of the Indian Penal Code and Information Technology Act and further investigations are underway, he said.

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News Network
January 9,2020

Mangaluru, Jan 9: Dakshina Kannada Deputy Commissioner has lodged a complaint with the Police alleging that his signature was forged in a holiday circular for schools and colleges in the district during National General Strike called by Trade Unions.

It may be recalled that the district administration had declared a holiday for all educational institutions on December 20 and 21 in the backdrop of the December 19 violence.

A few miscreants had forged this order and circulated it on social media stating that a holiday had been declared for schools and colleges in the district on January 8.

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News Network
March 11,2020

Udupi, Mar 11: An elderly woman, who had recently visited Saudi Arabia has been admitted to an isolation ward at KMC in Manipal, here with symptoms of fever, cough and breathlessness.

The 68-year-old woman hails from Sagar taluk in Shivamogga district of Karnataka.

The patient had travelled to Saudi Arabia in the last week of February and was treated for fever cough and breathlessness there.

After recovery, she had travelled back to Bengaluru, where she was screened at the airport. 

Later, she reached Shivamogga where she was treated at Nanjappa Hospital for symptoms of fever, cough. 

As she has symptoms of coronavirus, she is quarantined and is under observation. The samples will have been sent to Bengaluru and the result is awaited.

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