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Advancements and Challenges in Seismic Risk Reduction: Innovations, Early WarningResilience Strategies

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International Journal of Disaster Risk Reduction

Volume 60, June 15, 2021, Issue 102267

Advancements and Challenges in Earthquake Risk Reduction for Resilience: Recent Innovations and Scenarios

The S Framework for Disaster Risk Reduction SFDRR, which spans from 2015 to 2030, underscores the pivotal role of scientific research and technology in decision-making processes related to disaster risk reduction. Science and technology offer a transformative approach to mitigating natural hazards and their interrelated complexities that can lead to loss of life, damage, and disruption of essential infrastructure. The SFDRR emphasizes the need for improved access to innovative technologies alongside increased investment in disaster risk reduction strategies to ensure cost-effectiveness while tackling global challenges.

To achieve this goal, it is indispensable to bridge the gap between multi-disciplinary research, technological advancements, policy formulation, and engineering practice in disaster risk management DRM. To foster knowledge exchange and promote discussions on contemporary breakthroughs, challenges, and future directions in 'Innovations for Earthquake Risk Reduction and Resilience', an esteemed panel of experts convened in London, UK, in July 2019. The workshop concentrated on two primary domns: innovative 'soft' strategies such as advanced modeling methodologies, early warning systems, disaster financing parametric insurance that rely on information and communication technology, and 'hard' approaches novel structural systems, devices for new construction, retrofitting of existing structures, sensors focused on physical infrastructure.

The workshop illuminated emerging trs and lessons learned from recent earthquake occurrences while identifying critical areas for future research and policy initiatives. This paper encapsulates several key insights discussed during the event, ming to disseminate knowledge globally and stimulate further discourse within the scientific community with an ultimate goal to propel advancements in seismic risk assessment and mitigation techniques.

The following sections delve into the primary aspects highlighted at the workshop:

  1. Physics-Based Ground-Motion Modeling: Recent advancements in understanding ground motion under seismic events are pivotal for improved predictive capabilities, ding in more precise earthquake risk quantification.

  2. Earthquake Early Warning Systems: The development of early warning systems has gned significant traction as a promising tool to minimize damage and save lives by providing critical seconds or minutes of warning time before an earthquake's impact is felt.

  3. Disaster Financing and Parametric Insurance: These mechanisms m to offer more stable financial support during disasters, reducing the burden on governments and enabling quicker recovery through tlored risk management strategies.

  4. Seismic Isolation and Supplemental Damping: Innovations in these areas have led to enhanced protection of structures agnst earthquake forces by isolating them from ground vibrations or adding additional damping systems.

  5. Non-structural Components: Understanding and protecting non-structural elements that can significantly impact building performance during seismic events is crucial, requiring specialized design and management strategies.

  6. Structural Health Monitoring: Modern technologies have enabled the continuous monitoring of structural integrity post-construction and throughout its lifespan, facilitating proactive mntenance and intervention planning to prevent catastrophic flures.

These insights form a foundation for ongoing research and development med at improving earthquake risk reduction methodologies globally. The shared knowledge accelerate advancements in seismic risk assessment, mitigation strategies, and ultimately enhance resilience agnst natural hazards.

In summary, the workshop provided an invaluable platform for sharing cutting-edge techniques and ideas with researchers worldwide, promoting collaborative efforts towards addressing emerging challenges and fostering innovative solutions that can significantly impact disaster risk management practices.

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This article is reproduced from: https://www.sciencedirect.com/science/article/pii/S2212420921002338

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Early Warning Systems for Earthquakes Earthquake Risk Reduction Innovations Sendai Framework for Disaster Risk Physics Based Ground Motion Modeling Disaster Financing and Insurance Solutions Structural Health Monitoring Technologies