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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 1,2020

Bengaluru, May 1: As Mumbai link surfacing in some COVID-19 cases in Mandya district in Karnataka, JDS leader and former chief minister H D Kumaraswamy on Friday blamed the district administration for the situation, accusing it of not quarantining 7,000 labourers who 'returned' from the Maharashtra capital.

"The information we have is that there are about 16,000 labourers from Mandya were working in Mumbai of which 7,000 people reached the district. None of them was quarantined properly," Kumaraswamy told reporters in Bengaluru.

He claimed the district, a stronghold of JDS, was staring at a major spurt in cases due to the careless attitude of the district administration. "Government should initiate action against those who are responsible for the laxity," he said.

However, he did not specify when the 7,000 workers returned to Mandya. When asked about Kumaraswamy's claim, officials said they have to verify it. Of the eight cases reported from Mandya on Friday, three had a travel history to Mumbai, a major COVID-19 hotspot in the country, officials said.

A Health Department official said four of the fresh cases were contacts of a patient who tested positive on April 8 and admitted to a hospital. After weeks of coming in contact with him, the four were confirmed for COVID-19, an official said. The Three people with travel history to Mumbai had, in fact, brought the body of a man who died of a heart attack there on April 24, the official added.

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News Network
May 18,2020

Bengaluru, May 18: Karnataka Chief Minister BS Yediyurappa on Monday said that people from Gujarat, Maharashtra, Kerala and Tamil Nadu will not be allowed in the state till May 31.

"We have decided not to allow entry of people from Gujarat, Maharashtra, Kerala and Tamil Nadu till May 31," Yediyurappa said after a meeting with state ministers and senior government officers to discuss the guidelines issued by the Centre regarding the fourth phase of nationwide lockdown.

"State road transport corporation buses in Karnataka and private buses will run. Strict lockdown measures in containment zones and economic activities will be permitted in other areas. Sundays will be total lockdown across the state. Home quarantine will be strengthened," he added.

The Chief Minister further said that all shops will be allowed to open and all trains running within the state will be permitted.

The central government on Sunday extended the ongoing COVID-19 induced nationwide lockdown till May 31, but with a set of new relaxations commencing from Monday. The Union Home Ministry has also given powers to States/UTs demarcate areas in Green, Orange and Red zones, which will allow them to start activities except in containment zones.

According to the guidelines, "all other activities will be permitted except those which are specifically prohibited under these guidelines. However, in containment zones, only essential activities shall be allowed, as mentioned earlier."

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News Network
April 10,2020

Bengaluru, Apr 10: With 10 new COVID-19 cases, Karnataka's tally of coronavirus cases has climbed to 207, the Karnataka government has said.

The 207 COVID-19 cases include 30 discharged and 6 deaths. Out of 10 new cases, 9 are close contacts of people who had earlier tested positive for coronavirus.

"10 more COVID-19 positive cases reported in Karnataka, taking the total number of positive cases in the state to 207, including 6 deaths and 30 discharged. 9 of the 10 new cases, are close contacts of people who had tested positive for the virus earlier," said the Karnataka government.

Meanwhile, the State Department of Health and Family Welfare has further notified 14 more COVID-19 dedicated hospitals in the state.

These hospitals include Bagalkot District Hospital, Chamarajanagar Institute of Medical Sciences, District Hospital Chikkaballapur, SNR District Hospital, Kandaya Bhavan Ramanagar, Tumkur District Hospital, Karwar Institute of Medical Sciences Uttara Kannada, Vijayapura District Hospital and Yadgiri District Hospital.

India's total number of coronavirus positive cases rose to 6,412 on Friday.

Out of the total cases, 5,709 are active patients and 503 of them have been cured/discharged, as per the Ministry of Health and Family Welfare.

With 30 new deaths reported in the last 12 hours, the toll stands at 199.

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