Published: 13 September 2025The WatchersGeneral
Magnitude 5.8 Earthquake Strikes Udalguri, Assam; Three Minor Injuries Reported
A shallow magnitude 5.8 earthquake struck Udalguri district, Assam at 4:41 PM IST on September 14, 2025. The epicentre was located 11 km NNE of Kharupatia at a depth of approximately 5 km (USGS registered M5.5 at 29 km depth). Tremors were felt across Assam, West Bengal, Meghalaya, and parts of Bangladesh and Bhutan.
A total of 116 people reported shaking across 31 locations in 3 countries. Calculated intensities ranged from II to VI on the Modified Mercalli Intensity scale within 0-300 km of the epicentre. Two aftershocks of M3.1 and M2.9 followed. No loss of life or significant property damage was reported. Assam lies in Seismic Zone V, the highest risk zone in India.
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Q: With reference to the September 2025 Udalguri earthquake, discuss the seismic vulnerability of Northeast India and the rationale for placing Assam in Seismic Zone V.
Answer (50 words):
A shallow magnitude 5.8 earthquake struck Udalguri district, Assam on September 14, 2025 at a depth of 5 kilometres, with tremors felt across Assam, West Bengal, Meghalaya, Bangladesh and Bhutan. Two aftershocks followed without casualties. Assam lies in Seismic Zone V, India's highest risk zone, reflecting Himalayan plate-boundary tectonic stresses.
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A magnitude 5.8 earthquake struck which district of Assam on September 14, 2025?
Explanation · Correct answer BA magnitude 5.8 earthquake struck Udalguri district, Assam at 4:41 PM IST on September 14, 2025, at a depth of approximately 5 km. Tremors were felt across Assam, West Bengal, Meghalaya, and parts of Bangladesh and Bhutan.
Frequently asked questions
What was the magnitude and location of the Assam earthquake in September 2025?
**A magnitude 5.8 earthquake struck Udalguri district, Assam**. **Epicentre located 11 km NNE of Kharupatia; tremors felt across Assam, West Bengal, Meghalaya, parts of Bangladesh and Bh**.
Were there any casualties in the Udalguri Assam earthquake of 2025?
**No casualties were reported** from the magnitude 5.8 earthquake. **Calculated intensities ranged from II to VI on Modified Mercalli Intensity scale; two aftershocks of M3.1 and M2.9 follo**.
Why is Assam so prone to earthquakes?
**Assam lies in Seismic Zone V**, India's highest earthquake risk zone. **No loss of life or significant property damage reported; Assam lies in Seismic Zone V, the highest risk zone in India**.
Which regions felt tremors from the September 2025 Assam earthquake?
**Magnitude 5.8 earthquake struck Udalguri district, Assam at 4:41 PM IST on September 14, 2025, at a shallow depth of approximately 5 km**. Tremors were felt across multiple northeastern states causing widespread panic among residents.
What emergency response was activated after the Assam earthquake?
**A shallow magnitude 5.8 earthquake struck Udalguri district, Assam at 4:41 PM IST on September 14, 2025**. Disaster management teams were deployed and structural damage assessments were carried out in affected districts.
