BNUS Conducts an Earthquake Intensity Survey for M4.9 Mymansingh-Gauripur Earthquake, 2008

 

A light earthquake occurred in northern Bangladesh, on 27 July 2008 at 00:51 AM local time in Bangladesh. It had its epicenter at ENE of Mymensingh and magnitude of Mb=4.9 (according to ASC-India website, Mb=4.9: GS-NEIC, 5.1: GSR) and was felt in many parts of Bangladesh causing several injuries and considerable panic. BNUS team surveyed towns and villages around the earthquake source through a pre-formatted questionnaire. The survey was held from July 29 to August 04, 2008 and a total of 100 inhabitants of the nearby areas were considered for the questionnaire survey. The team visited Mymensingh town and Agricultural University Premises, Haluaghat, Jaymangal, Nalitabari, Nakla, Dhobaura, Sherpur, Durgapur and Netrakona. From the collected data Intensity of different locations was assumed. The survey results indicate that the tremor lasting between 5-10 seconds was felt by many people indoors. It was strong enough to awaken the most of the sleeping people, shake light furniture, gently oscillate hanging objects and make showpiece fall from shelves. This earthquake was severely felt at Bangladesh Agriculture University, Mymensingh. Cracks due to this earthquake were observed in almost students’ hall in this university. Some students were injured due to the panic from earthquake. The intensity of the quake assumed from the survey was VI- VII at Mymensingh, VI+ at Haluaghat and Dhobora , VII- at at Sherpur, V at Durgapur and IV at Netrakona.

Crack in clay built house at village Haluaghat
Crack in a residential hall at Mymensingh Agricultural University

 

 

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