Syllabus Section: Geography
Why in News?
Recently, a powerful earthquake measuring 6.4 on the Richter Scale jolted Assam and other parts of Northeast.
- The Northeast is located in the highest seismological zone. Continuous tectonic stress keeps building up particularly along the fault lines. Today’s earthquake was an instance of accumulated stress release
- The primary earthquake had its epicentre at latitude 26.690 N and longitude 92.360 E, about 80 km northeast of Guwahati, and a focal depth of 17 km,
- The events are located near to Kopili Fault closer to Himalayan Frontal Thrust (HFT).
- Kopili Fault:
- The Kopili Fault is a 300-km northwest-southeast trending fault from the Bhutan Himalaya to the Burmese arc
- Himalayan Frontal Thrust (HFT):
- HFT, also known as the Main Frontal Thrust (MFT), is a geological fault along the boundary of the Indian and Eurasian tectonic plates.
Source: Indian Express