Guwahati: Between August 10 and August 18, 2025, three earthquakes with epicentres in Assam impacted the state, with the most recent occurring at 12:09 PM today. The epicentre of the quake on Monday, which had a magnitude of 4.3, was situated in the Nagaon region. Additionally, during July 2025, four earthquakes were recorded within Assam’s territory.
According to the National Centre for Seismology, part of the Ministry of Earth Sciences, the three earthquakes that took place in Assam between August 10 and August 18, 2025, had their epicentres within the state. The first earthquake, measuring 2.9 in magnitude, was documented on August 10 at 19:55:17 IST, located at Latitude 26.22° N and Longitude 91.30° E. This quake’s epicentre was noted at a depth of 10 km in the Nalbari region of Assam.
The second earthquake was recorded on August 11 at 12:57:37 IST, with a magnitude of 3.1. This quake was centred at Latitude 25.86° N and Longitude 93.42° E, with its epicentre at a depth of 5 km in the Karbi Anglong region.
Today’s earthquake, which is the most recent of the three, had a magnitude of 4.3 and occurred at 12:09:33 IST. The epicentre of this quake, located at a depth of 35 km, was at Latitude 26.28° N and Longitude 92.71° E, in the Nagaon region.
The earthquake on Monday was felt by residents in Guwahati as well as in other areas of the state.
An earlier report from the Real Time Earthquake Location, published by the National Centre for Seismology for July, indicated that a total of 39 earthquakes occurred within Indian territory, with 8 earthquakes in Haryana and 4 each in Arunachal Pradesh, Assam, and the Andaman Sea during the period from July 1 to July 31, 2025. Of the total 39 earthquakes, 15 occurred in the North region and 10 in the Northeast region, respectively.
