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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
April 12,2020

Bengaluru, Apr 12: As many as 17 new cases of coronavirus were confirmed on Sunday in Karnataka, taking the total number of infected to 232, the health department said.

This includes six deaths and 54 discharges.

According to the bulletin issued by the health department, six cases were reported from Vijayapura, four cases in Belagavi, three each in Bengaluru city and Kalaburagi and one in Mysuru.

Among the 17, four people are suffering from Severe Acute Respiratory Illness (SARI) -- two of whom are in Bengaluru and one each in Vijayapura and Kalaburagi, the department said.

Following the sudden spurt in cases in Vijayapura, the department has initiated contact tracing.

Ever since the outbreak of COVID-19, Bengaluru continued to top the list with 76 cases, followed by Mysuru with 48 cases, Belagavi with 14 cases, Kalaburagi with 13 cases and Dakshina Kannada with 12 cases.

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Agencies
February 4,2020

Lucknow, Feb 4: Even as anti-NRC protests continue to rage across the country, the Lucknow University has queered the pitch by demanding citizenship proof from RTI applicants.

The Lucknow University (LU) refused to provide the information sought by the people who filed the Right to Information (RTI) unless they furnished the proof that they were Indian citizens.

Alok Chantia, one of the RTI applicants who was refused information by the varsity, said that he had lodged a complaint with the vice-chancellor of the varsity but even then he could not get the desired information.

"It is shocking how the university has twisted the RTI law as per its whims and fancy. It does not have any authority to do so," said the RTI applicant.

Chantia, also a faculty member at a degree college here, had sought details of appointment of teachers for self-financed courses and their pay scale.

"It is possible that some applicants who may not be familiar with the provisions of the RTI, may have furnished proof of their citizenship to the varsity to get the information but that cannot become a rule," he pointed out.

When contacted, university officials admitted that such a practice had been going on in the varsity for the past few years.

"This practice started during the tenure of the former vice-chancellor S.P. Singh and still continues," said a senior varsity official.

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News Network
April 16,2020

Bengaluru, Apr 16: Former chief minister HD Kumaraswamy had said that his son Nikhil's marriage ceremony will take place at bride Revati's residence in Bengaluru, however, the wedding preparations are also going on in his farmhouse at Ramnagar.

This comes amid the lockdown in the country due to COVID-19 outbreak. The farmhouse is located at Kethaganahally, near Bidadi in Ramnagar.

Kumaraswamy has said the marriage will be simple and only his family members will attend and no one from outside would be invited.

Earlier Kumaraswamy has said that his son's marriage will take place on April 17 at bride house.

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