Figure 12. The BBS and SMA stations operated by CSIR-NGRI in
different regions of India. Inset shows the coverage in the Uttarakhand
Himalaya. (Courtesy Dr. M. Ravi Kumar, Seismological Observatory, CSIR-NGRI)
WIHG is operating seismological networks in the NW and NE sectors of the Himalaya and adjoining parts for seismogenesis and subsurface structure investigations (Fig.13). The NW Himalaya network includes 72 broadband seismographs and 25 accelerographs and covers Jammu & Kashmir, Ladakh, Himachal Pradesh, Uttarakhand, Punjab, and Haryana. A network of 8 broadband seismographs is being operated in the Siang valley of Arunachal Pradesh in NE Himalaya. The institute also has state-of-the-art Multi-Parametric Geophysical Observatory at Ghuttu, Garhwal Himalaya.