earthquake (M4.0-4.9 termed as light) struck
the Matlab Bazaar upazila in Chandpur district, Chittagong
division on 10 September 2010
at 23:24 PM
local time. It had a magnitude of Mb=4.8
and was widely felt in Bangladesh.
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The earthquake was centred
1.8 kms SW of Ghasir Char (Chittagong), Bangladesh,
8.5 kms N of Matlab Bazaar (Chittagong), Bangladesh,
22 kms NNE of Chandpur (Chittagong), Bangladesh,
29.7 kms SE of Narayanganj (Dhaka),Bangladesh,
43.3 kms SE of Dhaka (Dhaka), Bangladesh,
49.6 kms W of Comilla (Chittagong), Bangladesh,
74 kms WSW of Agartala (Tripura), India,
86.6 kms NNE of Barisal (Barisal), Bangladesh,
167 kms NW of Chittagong (Chittagong), Bangladesh,
257 kms ENE of Kolkata (West Bengal), India.
Tremors were felt
strongly in parts of Chittagong and Dhaka divisions. In Chandpur,
one building tilted at the Fishery Institute while another
developed cracks. A 13-storey building and a 7-storey building on Chashara Road developed
cracks in Narayanganj. Tremors were felt in much of
Bangladesh including at Bagerhat, Barisal, Bhairab Bazaar, Bhola,
Bramhanbaria, Chandpur, Comilla, Dhaka, Feni, Gazipur, Gopalganj,
Habiganj, Jamalpur, Khulna, Kishorganj, Kushtia, Laxmipur,
Madaripur, Magura, Manikganj, Munshiganj, Narsingdi, Natore,
Noakhali, Pabna, Pirojpur, Rajbari, Tangail, Savar, Shariatpur and Sirajganj. In Dhaka, the
earthquake was widely felt throughout the city
including at Badda, Dhanmondi, Farmgate, Gulshan, Mirpur,
Mohakhali, Mohammedpur, Shyamoli, Tejgaon, Tejkunipara and Uttara.
Tremors were also felt in adjacent parts of India in the state of Tripura
as well as in Ballygunge in Kolkata, West Bengal. No casualties
were reported from anywhere in Bangladesh or Tripura.
A Md=4.0 event at
16:40:01 UTC preceded the larger earthquake. It was centred
60-kilometres from Dhaka in the Chandpur district. This is the
strongest local earthquake in the Dhaka region since
2001 when a Mw=4.2 tremor
occurred on the south-western outskirts of the city injuring
nearly one hundred people.