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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
May 10,2020

Mangaluru, May 10: The Yenepoya Medical College Hospital at Deralakatte here has become the first private hospital in Dakshina Kannada district to get coronavirus (COVID-19) testing approval.

The laboratory at the hospital has received the nod from the Indian Council of Medical Research (ICMR) to conduct tests for COVID-19, a release here said.

Dakshina Kannada will now have two centres for coronavirus tests, the first one being the district Wenlock hospital, the designated hospital for Covid-19.

ICMR has approved 33 testing centres in the state of which 21 are government hospitals and 12 are private hospitals.

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News Network
March 31,2020

Bengaluru, Mar 31: With many departmental stores, shops and establishments insisting on people to wear masks, Karnataka government on Tuesday clarified that as a rule every one need not wear a mask.

The Commissionerate of Health and Family Welfare Services in an advisory said a person is suppose to wear mask only when he or she has symptoms of cold or cough or fever or any other respiratory problem.

It said a person who is caring for COVID-19 suspect or confirmed patient should wear mask. Also, a health worker who is attending to a patient with respiratory symptoms should wear a mask.

The advisory also noted that those treating or handling COVID-19 suspects or patients need to wear N95 mask, while others can wear triple layer surgical mask.

The advisory from the Commissionerate has come amid shops and establishments, also police on road insisting people to wear masks when they venture out.

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News Network
March 4,2020

Mangaluru, Mar 4: Fifteen Iranian fishermen, arrested for illegally entering Indian waters, were shifted from Mangaluru to Central Prison Bengaluru at Parappana Agrahara recently.

 On October 21, coast guard officials intercepted two fishing vessels near Gayathri island, about 168 nautical miles off Mangaluru Coast and took into custody 15 crew members after they failed to produce necessary documents.

While one of the boats capsized after developing a technical snag, the other boat was brought to Mangalore Port.

On the basis of a written complaint lodged by Indian Coast Guard (ICG) Deputy Commandant Kuldeep Sharma, Karnataka State Coastal Security Police (KSCP) station in Mangaluru filed case against the 15 Iranian fishermen under Maritime Zone of Indian Act 1981.

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