Dawn Shock Sends Ripples Through Nagaon
At 4:23 a.m. IST on Tuesday, 6 October, seismometers recorded a 4.5‑magnitude tremor beneath Assam’s Nagaon district, as reported by the National Centre for Seismology (NCS).
Depth and Epicentre Details
The seismic event originated roughly 33 km beneath the Earth's crust, with its epicentre pinpointed at 26.428° N latitude and 93.060° E longitude.
Impact on the Local Community
While the sudden jolt startled residents, authorities confirmed that no injuries or structural damage have been reported. NCS has classified the incident as a reviewed earthquake, verifying its magnitude, depth and coordinates.
Prior Quake in Himachal Pradesh
Earlier, a separate tremor rattled the Una district of Himachal Pradesh. Detected at 11:48 p.m. on 4 October, the NCS logged it as a magnitude 2.5 event originating from a shallow depth of about 9 km.
Similar to the Nagaon shock, the Una tremor caused no casualties or property loss.
Looking Forward
These occurrences underscore the importance of continuous seismic monitoring across India’s northeastern region. Officials will keep a close watch and provide updates should any further impacts emerge.



