Assam's Nagaon District Struck by 4.5-Magnitude Earthquake on 6 October 2026

In the early hours of Tuesday, 6 October 2026, a moderate earthquake struck the Nagaon district of Assam, triggering widespread concern and a significant spike in search queries across India. According to the National Centre for Seismology (NCS), the event was recorded at 04:23:47 IST. While tremors of this magnitude can be unsettling, the NCS indicated that no immediate casualties or property damage had been reported following the event, though official local assessments typically follow such seismic activity [1].

Technical Parameters of the Assam Earthquake

The earthquake was measured at a magnitude of 4.5. The NCS provided precise coordinates for the epicentre, locating it at latitude 26.428° N and longitude 93.060° E [2]. One of the critical factors in determining the impact of a quake is its focal depth; in this instance, the tremor originated at a depth of 33 kilometres. Generally, deeper earthquakes may be felt over a wider area but can sometimes result in less intense surface shaking compared to very shallow quakes of the same magnitude.

Regional Context: Earlier Tremor in Himachal Pradesh

The seismic activity in Nagaon was preceded by a separate, smaller event in Northern India. On 5 October 2026, at 23:48:35 IST, a magnitude 2.5 earthquake jolted the Una district of Himachal Pradesh [1]. Unlike the Assam quake, this tremor was very shallow, occurring at a depth of only 9 kilometres, with its epicentre at latitude 31.618° N and longitude 76.301° E. Similar to the event in the Northeast, no casualties or property damage were reported for the Himachal Pradesh tremor.

Public Response and Verification

The events led to a massive surge in public curiosity, with Google Trends India recording a 900% increase in searches for the term "earthquake" over a 24-hour period, totaling approximately 5,000 queries. This trend highlights the rapid spread of information and the immediate anxiety associated with seismic events in India's high-risk zones.

For residents and those monitoring seismic activity, the NCS recommends using official tools like the BhooKamp app to verify real-time data and receive authentic alerts [2]. It is important to distinguish between felt reports and official magnitude data to avoid the spread of misinformation during the aftermath of a quake.

Location	Date (IST)	Time (IST)	Magnitude	Depth	Epicentre (Lat/Long)
Nagaon, Assam	6 Oct 2026	04:23:47	4.5	33 km	26.428° N, 93.060° E
Una, Himachal Pradesh	5 Oct 2026	23:48:35	2.5	9 km	31.618° N, 76.301° E