Aiming to identify seismically hazardous zones and encourage mapping activities, Geological Survey of India (GSI) has launched 22 permanent global positioning system (GPS) stations across India.
The GSI has taken a stride to establish and maintain a network of continuously operating 35 permanent GPS stations in a phased manner. So far, 22 GPS permanent stations have been set up and another 13 will be operational by March 2020. The 22 GPS-Geodetic (pertaining to Geodesy, the science of earth measurement) observatories are located in Kolkata, Thiruvananthapuram, Jaipur, Pune, Dehradun, Chennai, Jabalpur, Bhubaneswar, Patna, Raipur, Bhopal, Chandigarh, Gandhinagar Vishakhapatnam, Agartala, Itanagar, Mangan, Jammu, Lucknow, Nagpur, Shillong and Little Andaman. The new 13 stations will be located in Aizawl, Faridabad, Uttarkashi, Pithoragarh, Cooch Behar, Zawar, North Andaman, Middle Andaman, South Andaman, Ranchi, Mangalore, Imphal and Chitradurga. These stations are meant to delineate high strain zones for earthquake probability, determine a seismic motion on faults that may lead to a rupture and produce thematic maps with high positional accuracy. The GSI is also keen on getting youngsters interested in geology and has taken several initiatives for this, the first being introduction of geology at the school level.