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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 22,2020
Bengaluru, May 22: Evacuation planes from Male in Maldives and Doha in Qatar landed in Bengaluru with returnees from Karnataka after they were stranded for two months due to suspension of international flights since March 23 and the extended lockdown, an official said on Friday.
 
"An Air-India flight (#0266) with 152 passengers from Male and its subsidiary Express flight (IX-0822) with 177 returnees and 5 infants from Doha landed here safely at 6.50 pm. and 9.05 pm respectively," an airline official told media persons in Bengaluru.
 
Both the flights are first from their respective countries to Bengaluru, bringing in returnees to the southern state in the second phase of the Vande Bharat mission, being carried out to evacuate Indians stranded the world over.
 
"As per the standard operating procedure and guidelines of the state health department, all the passengers were screened with thermal device and tested to ensure they were asymptomatic before leaving the airport," a nodal officer said.
 
The returnees were given a spare mask to wear all the time and a sanitiser to wash their hands.
 
"The luggage of all passengers was screened and disinfected before handing over to them after they completed formalities such as filling the self-declaration form and downloading of the Quarantine App for contact tracing later,” said the official.
 
The passengers were ferried from the airport in state-run buses in batches for 14-day institutional quarantine in hotels and resorts across the city.
 
The flights were the 6th and 7th flights to Karnataka, of the national carrier and its Express arm, which are operating the service to repatriate thousands of Indians, including distressed workers, migrants, students, senior citizens and tourists, stranded overseas.
 
Five flights have flown about 650 returnees till date from May 18-21 under the mission's second phase to Bengaluru and Mangaluru on the west coast. The passengers have been brought from Dubai in the UAE, Kuala Lumpur in Malaysia, Muscat in Oman, Dammam in Saudi Arabia and San Francisco in the US.
 
The remaining flights to Karnataka will land in Bengaluru and Mangaluru over the next 12 days till June 3 from 9-10 more destinations the world over.
 
In the first phase of the mission from May 7-17, the airline and its arm flew 6 flights to the state from May 11-15, bringing in 800 passengers, including 623 to Bengaluru and 177 to Mangaluru from London, Singapore, San Francisco and Dubai.

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News Network
January 16,2020

Mangaluru, Jan 16: The Akhil Bharatiya Vidyarthi Parishad is holding rallies and meetings and distributing booklets across the country in support of the Citizenship (Amendment) Act, said ABVP National Secretary Harsha Narayan here on Thursday.

Speaking to media persons, he said that the CAA, which provides citizenship to Hindus, Buddhists, Sikhs, Parsis, Jains and Christians persecuted in Pakistan, Afghanistan and Bangladesh, was among the things that the ABVP was fighting for.

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News Network
July 8,2020

Bengaluru, Jul 8: In a setback to the State government, the Karnataka High Court on Wednesday stayed the initial ban and the subsequent restrictions imposed on schools against conducting online classes from pre-primary to Class X.

Prima facie the ban and embargo imposed on online education violate Articles 21 and 21A of the Constitutionon the fundamental right to education, the Court said.

A Division Bench comprising Chief Justice Abhay Shreeniwas Oka and Justice Nataraj Rangaswamy passed the interim order staying the operation of Government Orders issued on June 15 and June 27 respectively.

The Bench passed the interim order on the petitions filed by parents of children and several educational institutions questioning the legality of the ban and the restrictions imposed.

However, the Bench made it clear that this order should not be construed that the schools have right to make online education compulsory and can charge fee for offering online education. Also, the schools should not deprive students, who cannot opt for online education, the lost education when the schools reopen on regular basis.

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