Table of Contents
- Overview
- Where the Earthquake Struck
- Impact in Bangladesh
- Tremors in Kolkata & Northeast India
- Why the Region Is Earthquake-Prone
- Understanding the Risk
- Safety Tips During Earthquakes
- Conclusion
- Useful External Links
1. Overview
A 5.7-magnitude earthquake struck Bangladesh on Friday morning, shaking large parts of Dhaka, Narsingdi, and nearby districts. The tremors travelled into India, reaching Kolkata and various parts of Northeast India. The sudden movement caused panic, and people rushed out of homes, schools, shops, and offices.
2. Where the Earthquake Struck
The earthquake occurred at 10:08 AM. Key details include:
- Epicentre: 13 km south-southwest of Narsingdi
- Approximately 50 km from Dhaka
- Depth: 10 km (shallow quake)
Shallow earthquakes create stronger surface shaking because seismic waves travel a shorter distance before reaching the ground.
3. Impact in Bangladesh
The earthquake caused significant disturbance across affected regions:
- 3 deaths reported
- 65 injured, including:
- 10 at Dhaka Medical College Hospital
- 10 at Tajuddin Medical College Hospital, Gazipur
- 45 at Narsingdi District Hospital
Several injured individuals were in critical condition and were later moved to larger medical facilities.
Residents described intense shaking, with buildings swaying and staircases becoming crowded as people raced outdoors. Families gathered in open spaces for safety until the tremors stopped.
A Test cricket match in Dhaka briefly paused due to the quake but resumed after officials confirmed there was no structural damage.
Authorities advised citizens to stay calm, avoid rumours, and follow official updates.
4. Tremors in Kolkata & Northeast India
The quake’s impact was felt across several Indian cities, including:
- Kolkata
- Howrah
- Guwahati
- Agartala
- Shillong
People in Kolkata felt brief but noticeable shaking. Many residents stepped outside as a precaution. Descriptions of the tremors included:
- “Strong but brief”
- “A sudden jolt”
- “Like the ground moved under our feet”
No damage or injuries were reported in India.
Earthquake Kolkata #earthquake #kolkata pic.twitter.com/QTVALkPcTx
— Shadowclone0207 (@being_sarbajit) November 21, 2025
5. Why the Region Is Earthquake-Prone
Bangladesh and Eastern India lie in an active seismic zone influenced by three major tectonic plates:
- Indian Plate
- Eurasian Plate
- Burma Plate
The continuous movement of these plates builds underground pressure, making the region prone to earthquakes. Major fault lines include:
- Bogura Fault
- Tripura Fault
- Shillong Plateau Zone
- Dauki Fault
- Assam Fault
6. Understanding the Risk
Bangladesh is divided into 13 earthquake-prone zones, with high-risk districts such as:
- Chattogram
- Chattogram Hill Tracts
- Jaintiapur (Sylhet region)
Why Dhaka Is Highly Vulnerable
- Extremely high population density
- Old, weak, and unreinforced buildings
- Rapid urban growth without strict seismic laws
- Soft alluvial soil that increases shaking
Why Kolkata Felt Strong Tremors
Kolkata sits on deep alluvial soil, which naturally amplifies seismic waves. This is why distant quakes, especially from Bangladesh or the Bay of Bengal region, are often felt strongly in the city.
7. Safety Tips During Earthquakes
Preparedness reduces risk. Follow these tips:
During a quake:
- Drop, Cover, and Hold On
- Stay away from windows and glass
- Do not use elevators
- Move to an open area if outdoors
After a quake:
- Check for cracks or structural damage
- Avoid using damaged staircases
- Inspect gas lines and electrical systems
- Keep emergency items ready
- Follow only official announcements
- Avoid rumours on social media
8. Conclusion
The 5.7-magnitude earthquake in Bangladesh highlights the region’s geological vulnerability. While India escaped damage, the event reinforces the importance of safe construction, disaster awareness, and emergency planning. Staying informed and understanding tectonic risks can help communities respond better during such natural events.
9. Useful External Links
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