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Earth quake strikes India and Bangladesh

Just felt earthquake in kolkata.the hole room was shaking.i got injured by a flower vass that hit me.now i am ok but scared.
 
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Preliminary (PTWC)
Origin Time: 18 Sep 2011 12:41 UTC
Magnitude: 6.8 Mwp
(reviewed by PTWC)
Latitude: 27.8° N
Longitude: 88.2° E
Depth: 10 km
Location: Sikkim India
 
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Just heard it on news channel , What about causalities ?
 
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LUCKNOW: Panic gripped people in Uttar Pradesh when an earthquake said to be measuring 6.8 on the Richter scale with epicentre in Sikkim jolted north India at 6.17 pm on Sunday.

The state Meteorological department described the quake as of "moderate intensity" in UP. It has not ruled out the possibility of after shocks. Earlier, on September 7, tremors had hit some areas of UP adjoining Delhi. However, on Sunday no causality of any kind was reported till reports last came in. State Met director, JP Gupta said that after shocks can occur in next 24 hours.

The people in the Lucknow also felt the tremors for 30 seconds. Initially, people could not realise but later came out in open space leaving offices and home when they felt the tremors. The impact was more visible in the high rise buildings. But at some places, people did not feel anything and came to know about the quake later through news channels. Similar reports were received from Kanpur, Varanasi, Allahabad, Meerut and Gorakhpur.

Significantly, the city does not have any seismometer to record earthquake. A senior officer of the earthquake division, at the regional office of Geological Survey of India (GSI), Lucknow, said that they rely on data of the Meteorological department.

Geologist Dhruvsen Singh, also faculty in the department of geology in Lucknow University, said that there is no seismometer in the state anywhere to measure earthquake. In some research institutes, small seismometers have been installed purely for research. The geology department of Lucknow university also has a seismometer installed by National Geophysical Research Institute, Hyderabad, for research activity.

Singh said that the soil in UP, particularly in gangetic plain and in Lucknow, is loose alluvial soil, hence the possibility of epicenter of the quake in UP is less. The earthquake, he said, is a property of rocky unstable ground, which is not found in UP. ""Some east UP districts like Mirzapur have rocky ground but it is stable,"" he added. Singh, who was part of India's first expedition to Artic, said that researches in UP so far have not shown any manifestation of tectonic activity.

Experts at GSI said earthquake occurs when two plates below the earth surface either rub or collide with each other. This at times create structural deformities known as "ridges" and "faults", which can also cause tremors. There is also no record of an earthquake with epicentre in Lucknow. This is the reason, that Lucknow has been placed under Zone 3 (moderate risk zone), they added. ""Ttremors travel with a high velocity through rocks, causing extensive damage. However, their velocity reduces in loose segments. But with the retardation, the amplitude of waves increases as per the law of conservation of energy. High amplitude of the waves cause earth to vibrate vigorously, which can cause damage on the surface, particularly, if buildings in urban areas are not constructed as per laid down norms,"" they added.

UP residents shaken up by mild quake tremor - The Times of India
 
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yeah i heard that..... sorry to hear that i hope everything is fine in both India and Bangladesh
 
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6.8-magnitude quake strikes northern India

(CNN) -- A magnitude-6.8 earthquake struck near Sikkim, India, Sunday night, the U.S. Geological Survey reported.
No tsunami warning was issued following the quake, which was in the country's mountainous northern region. The earthquake, which struck at 6:10 p.m. local time (8:40 a.m. ET), had a depth of 6.2 miles below the earth's surface, according to the USGS.
The quake's epicenter was about 40 miles from the city of Sikkim and 143 miles from Namche Bazar, Nepal, according to the geological survey. There were no immediate reports of damage or injuries.



Lets hope there are no causalities...:frown:

---------- Post added at 07:40 PM ---------- Previous post was at 07:38 PM ----------

Anyone from sikkhim on this forum?? Epicenter of this quake is in sikkhim...
 
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Hehe its every where on the news.Over here in guwahati its a commonplace phenomena.
 
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