National Centre for Seismology operates 170 observatories nationwide with 7 each in Himachal Pradesh and Karnataka.
Network detects earthquakes magnitude 3.0+ nationwide, recording 67 in Himachal and 25 in Karnataka in 2021.
Utilized Rs 2.96 crores under PRITHVI scheme for network augmentation over last three years.
Seismic zoning follows IS 1893(Part-1):2016 standard with revised zonation withdrawn in March 2026.