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
基本信息
- 批准号:1722561
- 负责人:
- 金额:$ 24.8万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-07-15 至 2022-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Mitigating the devastating economic and humanitarian impact of natural and human-induced earthquakes requires advanced research on quantification of seismicity patterns, identification of induced seismicity, and improved forecasting ability. The risk posed by human-induced seismicity may be especially acute severe in California and other tectonic regions that operate geothermal, oil, and gas fields in highly populated areas with societal infrastructure. This project synthesizes novel earthquake cluster identification/classification techniques, physical modeling, and high-quality earthquake and geodetic data from different tectonic environments toward improved understanding of seismicity in relation to large events and human-induced earthquakes. A distinguishing property of the approach is uniform analysis and interpretation of thousands of earthquake clusters on different space-time-energy scales. The investigations quantify the dynamics of seismicity on time scales of hours to tens of years, and zoom spatially from worldwide analysis to focused studies of selected regions with high-quality data. The research produces a comprehensive database of cluster styles such as dominant earthquake cluster types and values of their essential parameters, at global, regional, and local scales. The employed approach is intrinsically data-driven, but it is informed and motivated by models of seismicity with different types of rheologies and loadings that help interpreting the results. The combined observational and theoretical studies facilitate extracting fundamental information from the observed results on the basic underlying physics. The project develops improved methods for detecting human-induced seismicity, catalog declustering, establishes relations between earthquake clustering and principal loading mechanisms, and may provide additional signals for tracking the preparation process of large seismic events. The developed tools and results can have significant impact on understanding of seismicity and analysis of seismic hazard in active tectonic environments, oil, gas, and geothermal production areas, and regions containing both.
要减轻自然和人为地震造成的破坏性经济和人道主义影响,就需要对地震活动模式的量化、诱发地震活动的识别以及提高预测能力进行深入研究。在加州和其他地质构造区域,人类诱发的地震活动所造成的风险可能特别严重,这些地区在人口稠密的地区拥有社会基础设施,并在这些地区经营地热、石油和天然气田。该项目综合了新的地震群识别/分类技术,物理建模,以及来自不同构造环境的高质量地震和大地测量数据,以提高对与大型事件和人为地震有关的地震活动性的理解。该方法的一个显着特性是对不同时空能量尺度上的数千个地震群进行统一分析和解释。这些调查量化了几小时到几十年时间尺度上的地震活动动态,并从全球分析到对选定地区的高质量数据进行重点研究。该研究产生了一个全面的数据库的集群风格,如占主导地位的地震集群类型和价值观的基本参数,在全球,区域和地方尺度。所采用的方法本质上是数据驱动的,但它是由具有不同类型流变学和载荷的地震活动模型提供信息和激励的,这些模型有助于解释结果。观测和理论研究相结合,有助于从观测结果中提取有关基本物理的基本信息。该项目开发了检测人为地震活动的改进方法,目录去集群,建立地震集群与主要加载机制之间的关系,并可能为跟踪大型地震事件的准备过程提供额外的信号。所开发的工具和结果可以有显着的影响,地震活动性的理解和地震危险性的分析,在活跃的构造环境,石油,天然气和地热生产区,以及包含两者的区域。
项目成果
期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Earthquake Declustering Using the Nearest‐Neighbor Approach in Space‐Time‐Magnitude Domain
- DOI:10.1029/2018jb017120
- 发表时间:2020-04
- 期刊:
- 影响因子:0
- 作者:I. Zaliapin;Y. Ben‐Zion
- 通讯作者:I. Zaliapin;Y. Ben‐Zion
A Detailed Earthquake Catalog for the San Jacinto Fault‐Zone Region in Southern California
- DOI:10.1029/2019jb017641
- 发表时间:2019-07
- 期刊:
- 影响因子:0
- 作者:Malcolm C. A. White;Y. Ben‐Zion;F. Vernon
- 通讯作者:Malcolm C. A. White;Y. Ben‐Zion;F. Vernon
Seismic clustering in the Sea of Marmara: Implications for monitoring earthquake processes
- DOI:10.1016/j.tecto.2019.228176
- 发表时间:2019-10-05
- 期刊:
- 影响因子:2.9
- 作者:Martinez-Garzon, Patricia;Ben-Zion, Yehuda;Bohnhoff, Marco
- 通讯作者:Bohnhoff, Marco
Diverse Volumetric Faulting Patterns in the San Jacinto Fault Zone
- DOI:10.1029/2017jb015408
- 发表时间:2018-06-01
- 期刊:
- 影响因子:3.9
- 作者:Cheng, Yifang;Ross, Zachary E.;Ben-Zion, Yehuda
- 通讯作者:Ben-Zion, Yehuda
Localization and coalescence of seismicity before large earthquakes
- DOI:10.1093/gji/ggaa315
- 发表时间:2020-10-01
- 期刊:
- 影响因子:2.8
- 作者:Ben-Zion, Yehuda;Zaliapin, Ilya
- 通讯作者:Zaliapin, Ilya
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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
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
- 批准号:
2225216 - 财政年份:2023
- 资助金额:
$ 24.8万 - 项目类别:
Cooperative Agreement
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:
$ 24.8万 - 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:
$ 24.8万 - 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:
$ 24.8万 - 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:
$ 24.8万 - 项目类别:
Standard 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:
$ 24.8万 - 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:
$ 24.8万 - 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:
$ 24.8万 - 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:
$ 24.8万 - 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:
$ 24.8万 - 项目类别:
Standard Grant
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