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Two Mild Earthquakes Strike Arunachal Pradesh’s Dibang Valley in 18 Hours

The National Centre for Seismology confirms consecutive low-intensity tremors on May 17 and 18, with no reported damage in the region.

Overview

  • A magnitude 3.8 earthquake occurred in Dibang Valley, Arunachal Pradesh, on May 18, 2025, at 05:06 IST, with a depth of 10 km.
  • This followed a magnitude 3.4 earthquake in the same region on May 17, 2025, at 15:11 IST, with a depth of 12 km.
  • Both tremors were confirmed by the National Centre for Seismology, which provided precise data on magnitude, depth, and epicentre coordinates.
  • The Dibang Valley is located near the Himalayan tectonic boundary, a region prone to frequent seismic activity.
  • A larger regional event, a magnitude 4.6 earthquake, was recorded in Northern Sumatra on May 18, highlighting broader seismic activity in the area.