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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coastaldigest.com news network
May 31,2020

Bengaluru, May 31: With places of worship expected to reopen on June 8, the Karnataka State Minorities Commission has released guidelines for mosques and dargahs, that include social distancing, temperature testing and compulsory hand washing.

Abdul Azeem, commission chairman said, "Everyone will have to maintain one-metre distance and carry their prayer mats. They will all be scanned and Farz prayers will be held for 10-15 minutes. Friday prayers should be completed within 20 minutes."

Distribution of tabarukh, shaking hands, and overcrowding inside mosques will not be allowed.  The Muzrai department also issued guidelines for temples, like mandatory face masks, sanitisation of sanctum sanctorum and thermal screening.

In a letter, the Hindu Religious Institutions and Charitable Endowment Department mentioned that while temple authorities and devotees should wear masks, priests, helpers and workers are exempt, in the core area of the temple.

"Devotees should be scanned using infrared thermometers at the temple entrance, and must be given hand sanitiser. The temple trust is expected to bear the expenses," it added.

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Agencies
June 15,2020

Bengaluru, Jun 15: Karnataka Chief Minister B S Yediyurappa on Monday said those coming to the state from Chennai and Delhi will have to undergo three days of institutional quarantine followed by 11 days of home isolation.

Up till now a seven-day institutional quarantine was prescribed for those returning from Maharashtra, while there was no mandatory institutional quarantine for asymptomatic people returning to Karnataka from other states.

Those returning from states other than Maharashtra were asked to quarantine themselves at home.

"Those coming from Maharashtra are subjected to seven days of institutional quarantine followed by seven days of home quarantine, while those coming from Chennai and Delhi will have to go for three days of institutional quarantine and eleven days of home quarantine," Yediyurappa said.

Speaking to reporters here, he said the decision has been taken following the increase in the number of coronavirus cases from these states.

"It is because of returnees from other states the cases have increased, not because of the local (intra-state) movement, so we have to control people coming from outside, we have to quarantine them and have to tighten measures.

We are making honest efforts in this regard," he added.

Yediyurappa was speaking to reporters after chairing a meeting with top ministers and officials to discuss about the surge in COVID cases in the state.

"There are no plans for any lockdown, and we will request the Prime Minister for more relaxations," the Chief Minister said in response to a question.

Out of total 7,000 cases in the state 4,386 are returnees from Maharashtra and their contacts are 1,340.

Those who returned from abroad comprise 216.

Returnees from other states constitute- Delhi 87, Tamil Nadu 67, Gujarat 62.

Noting that there are indications that the coronavirus infections are expected to increase in the days to come, Yediyurappa assured people that the government will take all precautionary measures required, and appealed to people to cooperate, follow social distancing, and wear masks.

He said it has been decided to observe the coming Thursday as "mask days" by organising a walk across the state and the main event will be held at Vidhana Soudha, the state secretariat.

"Strict measures will be taken against those not wearing masks and not maintaining social distancing here on.

Initially Rs 200 fine will be imposed, this will be throughout the state," he said.

Further stating that the government has made special efforts to control the spread of COVID, he said a special COVID-19 taskforce has been constituted for Bengaluru and surrounding areas, BBMP (city civic body) commissioner and Deputy Commissioners of neighbouring districts have been asked to pay special attention.

As of June 14 evening, cumulatively 7,000 COVID-19 positive cases have been confirmed in the state, which includes 86 deaths and 3,955 discharges.

Out of 2,956 active cases in the state till last evening, 2,940 patients are in isolation at designated hospitals and are stable, while 16 are in ICU.

Yediyurappa said the state's mortality rate is 1.2 per cent while the national average is 2.8 per cent.

The state's recovery rate is 56.6 per cent and the national average is 51 per cent, he said, adding that 93 per cent of the total cases are asymptomatic while the remaining seven per cent are symptomatic.

In Bengaluru, there are 697 cases and out of them 330 are active. The city has reported 36 deaths.

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News Network
March 18,2020

Bengaluru, Mar 18: Two more people have tested positive for COVID-19 in Karnataka, taking the tally of infected persons in the state to 13, Health Minister B Sriramulu said on Wednesday.

A 56-year-old man, a resident of Bengaluru had returned to India from the US on March 6 while the second person is a 25-yr-old woman with a travel history to Spain.

"2 more COVID-19 cases have been registered in Bengaluru today, taking the total infected cases to 13. 56-year-old male, resident of Bengaluru returned from the USA on 6th March. Another 25-yr-old female has returned from Spain," Sriramulu said in a post on his Twitter account.

A total of 147 positive cases of coronavirus have been reported in India so far, the Union Ministry of Health and Family Welfare said on Wednesday.

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