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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April 15,2020

New Delhi, Apr 15: Congress leader Rahul Gandhi on Wednesday urged the government to organise flights to bring back Indian workers stuck in the Middle East and desperate to return.

He said the workers are in deep distress there due to shutting of businesses in the Middle East due to the COVID-19 pandemic.

"The Covid19 crisis and shutting of businesses in the Middle East have left thousands of Indian workers in deep distress and desperate to return home.

"The Government must organise flights to bring home our brothers and sisters most in need of assistance, with quarantine plans in place," he said on Twitter.

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February 11,2020

Thiruvananthapuram, Feb 11: In a unique form of protest against the Citizenship Amendment Act (CAA), a bridegroom in Kerala, Haja Hussain, came for his wedding ceremony riding on a camel holding an anti-Citizenship Amendment Act (CAA) poster in his hands, on the outskirts of the capital city on Monday.

Accompanied by a large crowd mostly comprising his friends and relatives, Hussain carried a placard which read "Reject CAA, Boycott NRC and NPR" as he arrived at the wedding hall in Vazhimukku, about 20 km from Thiruvananthapuram, on a camel back.

Haja Hussain said that he chose to do this to express his protest against the CAA.

"Along with the ' mahr' (the custom where the groom hands over gold or money to the bride), I also gave a copy of the Constitution. CAA should be rejected," said Haja Hussain, who is a local businessman.

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May 29,2020

Bengaluru, May 29: Karnataka Law and Parliamentary Affairs Minister J C Madhuswamy on Thursday said the Centre has objected to the state's decision to increase working days at factories, and the matter would be discussed in the next cabinet meeting.

"....the Centre has raise objection to extending working days and has said it should be brought down. We will amend it....I will share the details after the next cabinet meet, the matter did not come up today (Thursday), we have received the letter," Madhuswamy told reporters in response to a question after the cabinet meeting.

He noted that a couple of states that had increased the working hours have withdrawn it. The Karnataka government had, on May 22, issued a notification allowing factories to extend working hours upto 10 hours a day and 60 hours a week till August 21. The extension of work hours is from the existing eight hours a day and 48 hours a week.

Pointing out that while announcing COVID-19 relief package, the Chief Minister B S Yediyurappa had announced Rs 5,000 per acre for maize farmers, Madhuswamy said while issuing the circular which mentioned that relief would be applicable to rabi crop, as it would not benefit many farmers.

Now, it has now been decided to give Rs 5,000 per acre to all maize farmers, irrespective of rabi or kharif. There were also several rules and regulations for barbers, autorickshaw and taxi drivers among others to claim their one-time compensation of Rs 5,000, the Minister said.

"We have decided to relax most of them (rules) other than those essential and give compensation, as regulations wouldn't have benefited many," he said. With five nominated seats of legislative council falling vacant on June 23, the cabinet has authorised the Chief Minister to nominate for 5 seats.

The cabinet also gave post-facto approval for Karnataka Repealing of Certain Enactments and Regional Law Bill 2020 that has been passed by the legislature.

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