https://solarsystem.video/videos/watch/65090dfa-1da6-41dd-9afd-fac080dcccf1 Earthquake Studies: Its Importance and Role of Earth Scientists Speaker: Dr. Chandreyee Goswami Chakrabarti Current designation: Research Assistant, Institute of Rock Structure and Mechanics, Prague On February 6th, 2023, an extremely powerful 7.8-magnitude earthquake struck Turkey and neighboring Syria, causing widespread devastation and killing around 60000 people. Earthquake is considered to be the worst natural hazard. Although the exact date or time of future earthquakes cannot be predicted till now, studying past earthquakes can identify the vulnerable areas and hence can help in land use planning. As we all know that earthquakes are largely related to plate boundaries and mountain building, the whole northern boundary of India, including the Himalayan mountain region, is prone to earthquakes. The northeastern boundary and the western boundaries of India are places of many earthquakes due to the presence of plate boundaries between the Indian and Burmese plates and the Indian and Arabian plates. The Andaman region is also very much vulnerable to earthquakes due to the presence of rifting plate boundaries. The most intensive inland earthquake in the world so far happens to be the 1950 8.3 Mw Assam earthquake which is related to Himalayan progeny. Active tectonics, paleoseismology, tectonic geomorphology, and seismology are the subjects that have been developed a lot in the last fifty years in which earth scientists study the effect of earthquakes on landforms. The relation between the climate and tectonic effect on the landform is also studied to understand the tectonic-climate coupling. The present-day crustal movement is measured very efficiently through the Global Positioning System (GPS) and Global Navigation Satellite System (GNSS) geodesy. Scientists use both real-time GPS-GNSS data and post-processing GPS data to measure the differential ground movement and accumulation of stress over a certain time. Geochronology also plays an important role in earthquake studies. The historical earthquake events up to 50 thousand years can be dated by the C14 method if the sediment contains carbon. Optically Stimulated Luminescence (OSL) dating is another widely used dating process as it can be used with sediments having quartz or feldspar, which is easily available, and the sediments of nearly 250 thousand years can be dated through this method. Low-temperature thermochronology using zircon and apatite is another emerging method to know the upliftment rate across a reverse or thrust fault. Different geophysical methods like Ground Penetrating Radar (GPR) and Electric Resistivity Tomography (ERT) are also used to identify the fault if it is near the surface. Earth scientists across the world presently are trying to form and work in different interdisciplinary groups focusing on identifying the faults causing earthquakes and estimating the strain accumulation more correctly so that devastation like the Turkey earthquake can be minimized in near future. Sun, 04 Oct 2026 23:31:08 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://solarsystem.video https://solarsystem.video/client/assets/images/icons/icon-1500x1500.png https://solarsystem.video/videos/watch/65090dfa-1da6-41dd-9afd-fac080dcccf1 All rights reserved, unless otherwise specified in the terms specified at https://solarsystem.video/about and potential licenses granted by each content's rightholder.