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Study Reveals Uttarakhand's Fault Accumulating Energy for Major Earthquake
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What Happened?
A new study indicates that the fault beneath Uttarakhand is accumulating tectonic strain, potentially equivalent to an 8.1 magnitude earthquake every century. This raises concerns about seismic hazards in the densely populated region.
Key points
- The study found that the Uttarakhand fault is locked and accumulating strain at a rate of approximately 18 millimeters per year.
- Researchers used GNSS and satellite radar data to analyze the Main Himalayan Thrust (MHT) fault.
- The fault remains locked across a width of about 115 kilometers, allowing energy to build up.
- Vertical ground deformation was observed, with peak uplift of 4-6 millimeters per year.
- The region is part of a seismic gap where significant earthquakes have not occurred for over 200 years.
Key insights
- The accumulation of tectonic strain could lead to significant seismic events in the future.
- The findings may prompt increased monitoring and preparedness efforts in the region.
- Understanding the fault behavior is essential for assessing long-term earthquake risks.
Why it matters
Understanding the seismic potential of Uttarakhand is crucial for the safety of its densely populated regions.
Tags
Entities
Uttarakhand· LocationHimalayas· LocationDibyashakti Panda· PersonMridul Yadav· PersonEric O. Lindsey· PersonG Srinivasa Rao· PersonCentral University of Tamil Nadu· Organization
Source
India Today
