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APSC Mains GS Paper 3: 2023: Discuss the preparedness and mitigation measures that should be adopted for reducing the impact of earthquakes in the context of Assam. (10 Marks, 150 words)

Model Answer:

Assam lies entirely within the seismically vulnerable Zone V, shaped by active tectonic boundaries like the Kopili Fault that triggered catastrophic tremors in 1897 (M 8.1) and 1950 (M 8.6).

Structural Mitigation Measures

Building Code Enforcement: Strictly implement the National Building Code (NBC) 2016 through mandatory structural audits and zoning, operationalizing Guwahati’s Seismic Microzonation (BMTPC) to regulate high-density hill slopes.
Reviving Vernacular Architecture: Incentivize traditional timber-frame Assam-type (Ikra) architecture, which provides inherent elasticity and high ground-motion absorption compared to unreinforced masonry.
Lifeline Infrastructure Retrofitting: Reinforce high-risk infrastructure—including Brahmaputra bridges, crude oil pipelines, and installations like Numaligarh Refinery—to prevent devastating secondary disasters.

Preparedness & Institutional Measures

Real-Time Monitoring: Upgrade regional sensor networks and fault-mapping in coordination with CSIR-NEIST (Jorhat) to monitor tectonic stress along the Assam syntaxis.
Grassroots First-Responders: Scale targeted community training under ASDMA’s Aapda Mitra scheme, focusing on rapid search-and-rescue protocols and school evacuation drills.
Open-Space Demarcation: Map and protect designated open evacuation grounds across congested urban centers (e.g., Guwahati, Silchar, Dibrugarh) to avert stampedes during structural collapses.

Combining vernacular engineering wisdom with decentralized community action—grounded in the Sendai Framework (2015–2030)—will successfully transition Assam from emergency relief dependency to enduring disaster resilience.

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