The Borehole Geophysics Research Laboratory (BGRL) is leading a deep-drilling mission under the Scientific Deep Drilling (SDD) program.
About the Scientific Deep Drilling (SDD) program:
- The mission aims to investigate reservoir-triggered earthquakes in the Koyna-Warna region by drilling up to a 6 km depth into the Earth’s crust.
Reason for Location Choice:
- The Koyna region has experienced recurrent earthquakes since the impoundment of the Shivaji Sagar Lake, or Koyna Dam, in 1962.
- The area is known for Reservoir Triggered Seismicity (RTS), with earthquakes concentrated in a specific area.
Significance:
- Earthquake Prediction: Studies focus on the complex nature and unpredictable locations of minor earthquakes, providing in-situ experiments on fault lines and earthquake behavior.
- Scientific Advancements: Enhances understanding of the Earth’s composition, structure, and processes.
- Data Insights: Offers valuable data on the physical properties of rocks, chemical compositions of fluids, and stress regimes.
- Technological Innovation: Aids in developing advanced seismological tools and drilling technologies.
- Societal Impact: Supports the formulation of policies on geohazards, climate change mitigation, and resource management.
Ref: Source
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Frequently Asked Questions:
What is the goal of India’s Scientific Deep-Drilling Mission in Koyna-Warna, Maharashtra?
The mission aims to investigate reservoir-triggered earthquakes by drilling up to a 6 km depth into the Earth’s crust.
Why was Koyna-Warna chosen as the location for the deep-drilling mission?
The Koyna region has experienced recurrent earthquakes since the impoundment of the Shivaji Sagar Lake, leading to Reservoir Triggered Seismicity.
Why is studying reservoir-triggered earthquakes in the Koyna-Warna region significant?
It allows for the prediction and better understanding of earthquakes, as well as advancements in scientific knowledge of the Earth’s processes.