Kolkata reported moderate tremblings on Friday early morning, with citizens feeling short shaking around 10.10 AM. The motion lasted numerous seconds, and there were no instant reports of damage or injuries.
The German Research Center for Geosciences (GFZ) later on stated a magnitude 5.7 earthquake had actually struck Bangladesh’s Narsingdi at a depth of 10 km.
The tremblings in Kolkata are most likely connected to this quake. The event triggered short panic amongst netizens, who shared accounts of furnishings shaking. Authorities have actually not yet launched information on the strength on the area.
In October, too, an earthquake of magnitude 3.4 had actually struck Bangladesh, the National Centre for Seismology (NCS) reported.
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Shallow earthquakes like this one tend to trigger more powerful shaking since seismic waves take a trip a much shorter range to the surface area. According to international seismic information, an earthquake takes place someplace on the planet approximately every 30 seconds, although a lot of are too weak to be discovered.
The Daily Star, mentioning USGS figures, reported that a magnitude 4.0 earthquake releases energy comparable to about 6 lots of TNT, while a magnitude 5.0 earthquake represents around 200 lots. The energy increases dramatically with each boost in magnitude: a 7.0 quake equates to almost 199,000 lots of TNT, and a 9.0 quake launches about 99 million loads, equivalent to approximately 25,000 a-bombs.
Bangladesh rests on an extremely active junction of 3 tectonic plates– the Indian, Eurasian and Burma plates. The Indian plate relocations northeast at about 6 cm annually, while the Eurasian plate relocations northward at around 2 cm each year over it.
The nation lies close to numerous significant geological fault, consisting of the Bogura fault, Tripura fault, Shillong Plateau, Dauki fault and Assam fault, making it part of 13 earthquake-prone zones. Locations such as Chattogram, the Chattogram Hill Tracts and Jaintiapur in Sylhet fall in the highest-risk classification.
Dhaka, with more than 30,000 individuals per square kilometre, is among the densest cities worldwide and has actually been recognized as one of the 20 most earthquake-vulnerable cities worldwide, according to The Daily Star.
(With ANI inputs)