Tremors jolt country

The country yesterday experienced two tremors within a span of three hours.
The first tremor, measuring 3.3 on the Richter scale, jolted the country at about 02 hours 33 minutes 19 seconds (BST).
The epicentre of the tremor was about 171.6-km from Agargaon seismic observatory in Dhaka, 203-km from Ambagan seismic observatory in Chittagong and 81-km from Sylhet seismic observatory.
The magnitude of the second tremor, which shook the country at about 5 hours 59 minutes 41 seconds (BST), was 4.1 on the Richter scale.
The distance of the epicentre was about 648-km from Agargaon seismic observatory, about 485-km from Ambagan seismic observatory and 552-km from Sylhet seismic observatory.