Kolkata and several parts of Northeast India experienced noticeable tremors on Friday morning following a 5.7-magnitude earthquake that struck Bangladesh. The quake occurred at 10:08 am (IST), with preliminary seismic data placing the epicentre at latitude 23.77°N and longitude 90.51°E, at a shallow depth of 10 km.
Residents across Kolkata and adjoining districts reported shaking floors, swinging ceiling fans, and swaying light fixtures. Several users on social media shared videos of moving chandeliers and other hanging objects, with the keyword “Earthquake Kolkata” quickly trending on X.
Authorities confirmed that there were no immediate reports of injuries, casualties, or damage to infrastructure.
Experts note that shallow earthquakes often pose a greater risk, as seismic waves have a shorter distance to travel to the surface, resulting in stronger ground motion and increased potential for structural damage.
Bangladesh lies at the convergence of three active tectonic plates — the Indian, Eurasian, and Burma plates. The Indian plate moves northeast at approximately 6 cm per year, while the Eurasian plate shifts northward by around 2 cm per year. The region is intersected by several major fault lines, including the Bogura, Tripura, Shillong Plateau, Dauki, and Assam faults, placing Bangladesh within 13 identified earthquake-prone zones.
The broader Himalayan region, including Afghanistan, Pakistan, and northern India, is also among the most seismically active zones globally due to the ongoing collision between the Indian and Eurasian plates.
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