Center Operations: The Coupled Evolution of Earthquakes, Faults, and Geohazards of the San Andreas Fault System
中心运作:圣安德烈亚斯断层系统地震、断层和地质灾害的耦合演化
基本信息
- 批准号:2225216
- 负责人:
- 金额:$ 609.01万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Cooperative Agreement
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-10-01 至 2026-09-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The rapidly deforming Pacific-North America plate boundary in California contains an evolving network of hundreds of active faults organized around the main San Andreas Fault. Many of these faults have dimensions large enough to generate hazardous earthquakes. The San Andreas fault system has an excellent field access that allows detailed studies of properties and dynamics of earthquakes and faulting processes. The Statewide California Earthquake Center (SCEC) is a multi-disciplinary collaboration that enables the development of system-level models of earthquakes and their hazards. The Center advances the frontiers of earthquake research and hazard analysis, and related STEM education and engagement, through five Major Activities: (1) System Science Research, (2) Research Computing, (3) Community Engagement (4) Workforce Development, and (5) Collaboration Planning and Program Evaluation. The focus of this Geohazard Center on coupled evolution of earthquakes and faults facilitates the development of quantitative relations between diverse features that can be used for validation and improved hazard assessment. Advanced research computing for building and testing software and models is used to validate results, improve uncertainty estimates, and assess the efficacy of research activities toward improving earthquake science and impacts on society. This project is co-funded by the Directorate for Geosciences to support AI/ML advancement in the Geosciences.The Center aims to identify emergent phenomena and future behavior of earthquakes and faults using the San Andreas plate-boundary system as a natural laboratory. The research addresses five key questions on i) the loading of faults, ii) the response of fault and crustal materials to loading, iii) the evolution of the active fault network, iv) how the evolving properties affect ongoing deformation and ground motion, and v) the forecasting of strong ground motion and large earthquakes. Addressing these questions could revolutionize earthquake science and hazard estimation. The Center’s shared research computing activities and community models provide unique pathways for physics-based modeling of earthquakes and the ground motions they generate. SCEC interacts with federal and state agencies to support seismic risk reduction and promote community resilience. The Center’s working groups, workshops, field activities, and annual meetings enable a diverse group of scientists to interact over sustained periods, building deep scientific collaborations and interpersonal networks. In addition, the Center promotes intellectual exchange and amplify the support for students and early-career scientists, while broadening their participation in STEM fields. Conducting the research, community engagement and education activities within the organizational structure of SCEC facilitates productive activities that often lead to a larger impact than the sum of individual parts.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
在加州快速变形的太平洋-北美板块边界包含了一个由数百个围绕主圣安德烈亚斯断层组织的活动断层组成的不断发展的网络。这些断层中的许多都有足够大的尺度来产生危险的地震。圣安德烈亚斯断层系统有一个很好的实地访问,允许详细研究地震和断层过程的性质和动力学。全州范围的加州地震中心(SCEC)是一个多学科的合作,使地震及其危害的系统级模型的发展。该中心通过五项主要活动推进地震研究和灾害分析的前沿,以及相关的STEM教育和参与:(1)系统科学研究,(2)研究计算,(3)社区参与,(4)劳动力发展,以及(5)协作规划和项目评估。该地质灾害中心的重点是地震和断层的耦合演化,这有利于发展各种特征之间的定量关系,这些特征可用于验证和改进灾害评估。用于构建和测试软件和模型的高级研究计算用于验证结果,改善不确定性估计,并评估研究活动对改善地震科学和社会影响的有效性。该项目由地球科学理事会共同资助,以支持地球科学中的AI/ML进步。该中心旨在使用圣安德烈亚斯板块边界系统作为天然实验室来识别地震和断层的新兴现象和未来行为。该研究解决了五个关键问题:i)断层的加载,ii)断层和地壳材料对加载的响应,iii)活动断层网络的演化,iv)演化特性如何影响正在进行的变形和地面运动,以及v)强地面运动和大地震的预测。解决这些问题可以彻底改变地震科学和灾害评估。该中心的共享研究计算活动和社区模型为基于物理的地震建模及其产生的地面运动提供了独特的途径。SCEC与联邦和州机构互动,以支持减少地震风险和促进社区恢复力。该中心的工作组,研讨会,实地活动和年度会议使不同的科学家群体能够持续互动,建立深入的科学合作和人际网络。此外,该中心还促进知识交流,扩大对学生和早期职业科学家的支持,同时扩大他们在STEM领域的参与。在SCEC的组织结构内开展研究、社区参与和教育活动有助于促进生产性活动,这些活动通常会产生比单个部分的总和更大的影响。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Yehuda Ben-Zion其他文献
The generation of large earthquakes
大地震的产生
- DOI:
10.1038/s43017-020-00108-w - 发表时间:
2020-11-17 - 期刊:
- 影响因子:71.500
- 作者:
Aitaro Kato;Yehuda Ben-Zion - 通讯作者:
Yehuda Ben-Zion
Properties and Processes of Crustal Fault Zones: Volume II
- DOI:
10.1007/s00024-015-1037-6 - 发表时间:
2015-02-07 - 期刊:
- 影响因子:1.900
- 作者:
Yehuda Ben-Zion;Antonio Rovelli - 通讯作者:
Antonio Rovelli
In Memory of Keiiti Aki, 1930–2005
- DOI:
10.1007/s00024-005-0028-4 - 发表时间:
2006-03-01 - 期刊:
- 影响因子:1.900
- 作者:
William H. K. Lee;Yehuda Ben-Zion - 通讯作者:
Yehuda Ben-Zion
Dynamic Ruptures on a Frictional Interface with Off-Fault Brittle Damage: Feedback Mechanisms and Effects on Slip and Near-Fault Motion
- DOI:
10.1007/s00024-014-0923-7 - 发表时间:
2014-09-10 - 期刊:
- 影响因子:1.900
- 作者:
Shiqing Xu;Yehuda Ben-Zion;Jean-Paul Ampuero;Vladimir Lyakhovsky - 通讯作者:
Vladimir Lyakhovsky
Properties and Processes of Crustal Fault Zones: Volume I
- DOI:
10.1007/s00024-014-0943-3 - 发表时间:
2014-11-06 - 期刊:
- 影响因子:1.900
- 作者:
Yehuda Ben-Zion;Antonio Rovelli - 通讯作者:
Antonio Rovelli
Yehuda Ben-Zion的其他文献
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{{ truncateString('Yehuda Ben-Zion', 18)}}的其他基金
Collaborative Research: Frameworks: Quakeworx - An extensible software framework for earthquake simulations
协作研究:框架:Quakeworx - 用于地震模拟的可扩展软件框架
- 批准号:
2311206 - 财政年份:2023
- 资助金额:
$ 609.01万 - 项目类别:
Standard Grant
Collaborative Research: Generation of Rock Damage and Localization of Seismicity Before Large Earthquakes
合作研究:大地震前岩石损伤的产生与地震活动的定位
- 批准号:
2122168 - 财政年份:2021
- 资助金额:
$ 609.01万 - 项目类别:
Standard Grant
Collaborative Research: The Southern San Andreas Fault Zone Experiment
合作研究:南圣安地列斯断裂带实验
- 批准号:
1841315 - 财政年份:2019
- 资助金额:
$ 609.01万 - 项目类别:
Continuing Grant
RAPID: Collaborative Proposal: Response to the Searles Valley Earthquake Sequence
RAPID:协作提案:应对塞尔斯谷地震序列
- 批准号:
1945781 - 财政年份:2019
- 资助金额:
$ 609.01万 - 项目类别:
Standard Grant
Collaborative Research: Toward understanding spatio-temporal variations of seismic clusters in different environments
合作研究:了解不同环境下地震群的时空变化
- 批准号:
1722561 - 财政年份:2017
- 资助金额:
$ 609.01万 - 项目类别:
Continuing Grant
Southern California Earthquake Center: Research Program in Earthquake System Science, 2017-2022
南加州地震中心:地震系统科学研究计划,2017-2022
- 批准号:
1600087 - 财政年份:2017
- 资助金额:
$ 609.01万 - 项目类别:
Cooperative Agreement
Detailed seismic imaging and monitoring of the subsurface material around the San Jacinto fault zone
圣哈辛托断层带周围地下物质的详细地震成像和监测
- 批准号:
1620601 - 财政年份:2016
- 资助金额:
$ 609.01万 - 项目类别:
Continuing Grant
SI2-SSI: Community Software for Extreme-Scale Computing in Earthquake System Science
SI2-SSI:地震系统科学中超大规模计算的社区软件
- 批准号:
1450451 - 财政年份:2015
- 资助金额:
$ 609.01万 - 项目类别:
Standard Grant
Workshop: Properties and Processes of Crustal Fault Zones, Erice, Sicily, May 18-24, 2013.
研讨会:地壳断裂带的性质和过程,埃里切,西西里岛,2013 年 5 月 18 日至 24 日。
- 批准号:
1303569 - 财政年份:2013
- 资助金额:
$ 609.01万 - 项目类别:
Standard Grant
Collaborative Research: Adjoint tomography of fault zone environments
合作研究:断层带环境的伴随断层扫描
- 批准号:
1314875 - 财政年份:2013
- 资助金额:
$ 609.01万 - 项目类别:
Standard Grant
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