TNPSC Thervupettagam

2025 Seismic Code

March 16 , 2026 14 hrs 0 min 16 0
  • Bureau of Indian Standards (BIS) withdrew the 2025 seismic code (IS 1893) after concerns raised by the Ministry of Housing and Urban Affairs (MoHUA).
  • The earlier standard IS 1893 (Part 1): 2016 is now again applicable in India.
  • A seismic code is a set of building standards designed to help structures withstand earthquake forces and reduce damage.
  • India is divided into four seismic zones under the code: Zone II (Low), Zone III (Moderate), Zone IV (High), and Zone V (Very High).
  • About 59% of India’s land area is considered earthquake-prone according to the seismic zonation system.

 

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