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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July 19,2020

Bengaluru, Jul 19: A viral video claiming to show crowded condition of a hospital treating COVID-19 patients in the city was found to be false with police on Sunday arresting a person for allegedly circulating it on social media.

Police said such videos have the potential to create panic and asked people to refrain from spreading them.

The arrest was made within hours of the police announcing registration of a case in connection with the video that showed a crowd of people wearing masks at an "outpatient ward" of a hospital, falsely identified as Victoria Hospital, a major dedicated COVID facility here.

The video went viral on social media.

"City Crime Branch swiftly identified and arrested this person who has been circulating false videos of panic in Victoria Hospital, Bangalore. Kudos to all doctors and medical professionals who are doing their best. False news busted," Bengaluru Police Commissioner Bhaskar Rao tweeted.

Police said such videos have the potential to create panic in society and asked people to refrain from it.

"Covid False video about conditions of hospitals in Bangalore circulated on social media. Case registered in Cybercrime PS. While government, society at large fighting the pandemic, some are creating/forwarding messages/videos which has potential to create panic in society. Refrain from it," Joint Commissioner of Police, Crime, Sandeep Patil tweeted.

The video showed scores of people wearing masks gathered in a small space allegedly at an Out-Patient Department in a hospital, and a person filming it, claiming to be a doctor expressing concern that it was a threat to all medical staff, including the patients.

Official sources said the video was reportedly from a hospital in one of the northern states and not from Victoria Hospital.

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April 22,2020

Bengaluru, Apr 22: The Karnataka government has announced partial relaxation of COVID-19 lockdown norms in the state allowing certain construction activities, manufacturing of packaging materials, courier services, among others, from April 23.

The activities will be permitted only outside the COVID-19 containment zones identified by the government.

Service provided by self-employed people like electrician, IT repair, plumbers, motor mechanics, and carpenters in local areas have also been given exemption.

Tea, coffee and rubber plantation have been allowed to work with 50 per cent workforce, and a similar exemption have been given to processing, packaging, sale and marketing of these produce.

“To mitigate hardship to the public, select additional activities have been allowed,which will come into effect from 00.00 hours of April 23,” Chief Secretary TM Vijay Bhaskar said in an order on Wednesday.

However, these additional activities will be operationalised by District Administrations and BBMP (city corporation in the case of Bengaluru city) based on strict compliance to the guidelines on lockdown measures, it said.

Before operating these relaxations, district administrations and BBMP (city corporation) shall ensure that all the preparatory arrangements on social distancing in offices, work place establishments as also sectoral requirements are in place, it said, adding that relaxations will not apply in containment zones.

Facing a financial crunch, the state government has been eager to kick-start economic activities in the state that had come to halt due to the coronavirus lockdown.

While hospitality services, bars, malls, theatres, shopping complexes, religious and places of worship among others will continue to remain shut, relaxation of norms has been for activities that are linked to essential services such as health, infrastructure and agriculture.

As per the order, while, public transportation will continue to remain suspended till May 3,private vehicles with passes for emergency services and personnel commuting with passes to places of work and back will be allowed.

Activities permitted include construction of roads, irrigation projects, buildings and all kinds of industrial projects, including MSMEs, in rural areas and all kinds of projects in industrial estates, where workers are available on site and no one is required to be brought in from outside.

Also permitted to function are manufacturing units of essential goods – drugs, pharmaceuticals, medical devices, their raw materials and intermediates;

food processing industries in rural areas, coal production (mines and mineral production and activities incidental to mining) besides manufacturing units of packaging materials.

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March 31,2020

Bengaluru, Mar 31: Bengaluru Central Crime Branch on Tuesday seized as many as 1,000 fake N95 masks amid the ongoing coronavirus pandemic.

However, the police are yet to make arrests in the case.

Investigation in the case is underway and more details in this regard are awaited.

Recently, Noida Sub-Divisional Magistrate with a team from the Health department busted a fake sanitiser and mask factory.

Notably, the Central government recently had brought masks and hand sanitisers under the Essential Commodities Act up to June 30 as the novel coronavirus pandemic led to shortages and black marketing of these items.

Any person found guilty under the Act may be punished with imprisonment up to seven years or fine or both and can be detained for a maximum of six months.

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