Overview

• The National Centre for Seismology measured the September 14 quake at magnitude 5.8 at 4:41 pm IST with a depth of 5 km near Udalguri, while international agencies posted slightly different magnitudes and depths.
• Strong shaking was reported across Assam, including Guwahati and multiple districts, with tremors also felt in parts of Arunachal Pradesh, Manipur, North Bengal and neighboring Bhutan.
• Multiple aftershocks followed within hours of the main shock and continued into the next day, with official readings mostly in the M2.4–3.1 range and no deaths reported.
• The Assam State Disaster Management Authority cited two girls injured in Udalguri after a hostel ceiling collapse and noted non-structural or partial damage to houses and buildings in Biswanath, Darrang, Hojai, Nalbari, Sonitpur and Udalguri.
• Authorities activated helplines and response teams as leaders monitored the situation, while a PTI-circulated video of nurses shielding newborns drew widespread praise and many residents reported receiving Android earthquake alerts.