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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
August 4,2020

Bengaluru, Aug 4: With preparations underway for conducting exams for the final semester/ year students in the state, Karnataka Deputy Chief Minister Dr CN Ashwathnarayan on Monday directed the respective universities to conduct exams for the backlog papers as well.

"In the wake of COVID-19, it has been decided to hold exams only for the students of final semester/year courses. It has come to our notice that some universities have decided against conducting exams for final year students who have a backlog to clear from previous semesters. This is unpardonable," the Deputy Chief Minister said.

"Our intention is to see that the final year students finish their course. In the present situation, conducting only final semester exams won't help. We have to help the students in clearing their backlogs," added Ashwathnarayan, directing all universities to compulsorily conduct these exams.

Meanwhile, Ashwathnarayan thanked the staff and officials of various government departments who were responsible for successfully conducting the CET exams even amidst the difficult situation in the wake of COVID-19 pandemic.

"In all, 1,94,419 students had registered for the CET exams, of which 1,75,428 wrote the exams. The percentage of students who took up the exams this year was equivalent to that of the previous years, in normal times," the DCM informed.

"After we successfully conducted the exams, Arunachal Pradesh is going to conduct the Public Service Commission exams on the lines of how we successfully conducted the exams. Likewise, even our KPSC has said it will conduct the exams. We must appreciate the good work of the Karnataka Examination Authority (KEA), which has set an example for others," Ashwathnarayan said.

The deputy chief minister said that 33 colleges in various districts across the state faced shortage of land and that it is the responsibility of the District Commissioners (DCs) to get the lands sanctioned for all these colleges.
In Bagalkot district alone land has not been sanctioned for six degree colleges, he said.

Reacting to this, Bagalkot DC Captain Rajendra assured to look into the matter as soon as he receives the proposal from department officials.

"Similarly, there is shortage of land for five Diploma colleges and 28 ITI colleges in different parts of the state. The DCs must immediately pay attention to this. Once they get the land, buildings will come up within no time," the Karnataka deputy chief minister said.

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coastaldigest.com news network
May 13,2020

Mangaluru, May 13: Dakshina Kannada today recorded its fourth death due to novel coronavirus.

The victim, identified by number P-536, is a 58-year-old woman from Boloor area of Manglauru. She was tested covid-19 positive on April 30. 

A patient with TB meningitis, the woman had been treated and discharged from Mangaluru’s First Neuro Hospital, which has emerged as covid-19 hub of coastal Karnataka.

In hospital she had reportedly come in contact with patient No 501 who worked as a sweeper in the same hospital. 

With this death, the number of active covid-19 cases reduced to 16 in Dakshina Kannada. The district has so far reported 34 covid-19 cases including four deaths. 14 have been discharged.

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News Network
May 8,2020

New Delhi, May 8: After deadly styrene gas leak in Visakhapatnam, Union Chemicals and Fertilisers Minister D V Sadananda Gowda urged all public and private chemical makers to exercise caution and care while reopening their plants.

Union Environment Ministry and State Pollution Control Boards have also issued separate directives to all companies to take extreme precaution while restarting their units that remained suspended due to the lockdown imposed to contain the spread of COVID-19 in the country, he said.

There was a gas leak from LG Polymers plant at Visakhapatnam in the early hours on Thursday, causing 10 deaths and hundreds of people getting hospitalised.

"LG Polymers does not come under direct control of our ministry. However, we have asked all public and private chemicals manufacturers to exercise caution and care while reopening their plants," Gowda told PTI.

The minister said his officers are coordinating with the Andhra Pradesh government.

He further said LG Polymers, a multinational chemical company, had kept its unit ready for reopening after one and half month of lockdown. The unit started leaking at around 3.40 am on Thursday due to pressure.

"The toxic gas leak has affected both people and animals. Around 850 people have been hospitalised," Gowda said, adding that measures have been taken to control the situation at the plant site and final updates are awaited.

At present, Indian chemicals market size is about USD 163 billion, which is only three per cent of the global chemical industry of USD 5 trillion, as per the official data.

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