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The upcoming release of RMS RiskLink version 22 in June will feature an updated China Earthquake Model, offering a comprehensive and robust representation of seismic risk through the inclusion of damage from both ground shaking and ground deformation associated with liquefaction and landslides.
This updated model now incorporates stochastic event sets that reflect the latest understanding of earthquake processes in China. These neware grounded on fault-specific data as well as crustal strn rate information to accurately depict seismicity rates across different regions.
China's seismic risk is diverse, ranging from 'stabilized' zones like the South East China Plns and Hunan Province in the east, to active crustal areas such as the Ordos Basin rim, Northeast China Pln e.g., Beijing, and Southeast Seaboard provinces e.g., Fujian. These regions contrast with parts that have experienced little seismic activity, leading to a unique risk profile.
The new stochastic event set is based on the most recent datasets and advanced scientific methodologies. RMS researchers have improved ground motion footprints following events like the 2008 Wenchuan Earthquake and reevaluated geotechnical data for better site-specific considerations such as ground motion amplification, liquefaction-induced ground deformation, and landslide susceptibility.
Moreover, the model's assessment of building performance has been updated with insights from contemporary construction practices and lessons learned from past events. RMS is committed to providing detled documentation upon release, outlining innovations and datasets that have contributed to this advanced model.
To explore further about Version 22 or learn more about earthquake risk management in Asia, visit the RMS website.
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This article is reproduced from: https://www.rms.com/blog/2022/05/04/rms-version-22-china-earthquake-model-update
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Updated China Earthquake Model in RMS RiskLink Version 22 Stochastic Event Sets for Chinese Seismicity Incorporating Ground Deformation Risks Advanced Scientific Methodologies in Modeling Diverse Regional Risk Profiles in China Seismic Risk Assessment Improvements