Frictional Behavior of Oceanic Transform Faults and Influence on Earthquake Characteristics
大洋转换断层的摩擦行为及其对地震特征的影响
基本信息
- 批准号:1061203
- 负责人:
- 金额:$ 25.81万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2011
- 资助国家:美国
- 起止时间:2011-03-01 至 2014-02-28
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Predicting earthquakes and mitigating earthquake hazards requires understanding how faults work; for example what controls or limits the size of earthquakes and the recurrence time of earthquakes on a particular fault. Most of the slip on continental strike-slip faults such as the San Andreas occurs during earthquakes, while most of the slip on mid-ocean ridge transform faults (RTFs) is accomplished by aseismic creep not related to earthquakes, and the largest events on RTFs are comparatively small, magnitude 6-7. This study will be the first to model the behavior of oceanic transform faults using laboratory-derived rate and state friction laws that have been successfully applied to continental faults. Models will be constrained by seismicity on the faults recorded by ocean bottom seismographs. Among the broader impacts of this study are improved understanding of earthquakes and earthquake mechanisms, and support for a graduate student.
预测地震和减轻地震灾害需要了解断层是如何工作的;例如,是什么控制或限制了地震的大小,以及地震在特定断层上的复发时间。圣安德烈亚斯等大陆走滑断层上的滑动大部分发生在地震期间,而洋中脊转换断层上的滑动大部分是由与地震无关的地震蠕变完成的,并且洋中脊转换断层上最大的滑动相对较小,为6-7级。这项研究将首次使用实验室推导的速率和状态摩擦定律来模拟海洋转换断层的行为,这些定律已经成功地应用于大陆断层。模型将受到海底地震仪记录的断层上地震活动性的限制。这项研究的更广泛的影响是提高了对地震和地震机制的理解,并为研究生提供了支持。
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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Jeffrey McGuire其他文献
Jeffrey McGuire的其他文献
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{{ truncateString('Jeffrey McGuire', 18)}}的其他基金
Collaborative Research: Capturing 4D Variations in Stress, Slip, and Fault-Zone Material Properties: The 2019-2021 Gofar Transform Fault Earthquake Prediction Experiment
合作研究:捕捉应力、滑移和断层带材料特性的 4D 变化:2019-2021 年 Gofar 变换断层地震预测实验
- 批准号:
1833279 - 财政年份:2018
- 资助金额:
$ 25.81万 - 项目类别:
Continuing Grant
Installation of a Seafloor Geodesy Observatory in the Northern Chille Subduction Zone
在北奇利俯冲带安装海底大地测量观测站
- 批准号:
1459095 - 财政年份:2015
- 资助金额:
$ 25.81万 - 项目类别:
Continuing Grant
Collaborative Research: Installation of a Real-Time Seafloor Geodetic and Thermal Observatory on the Cascadia Subduction Zone
合作研究:在卡斯卡迪亚俯冲带安装实时海底大地测量和热观测站
- 批准号:
1259243 - 财政年份:2013
- 资助金额:
$ 25.81万 - 项目类别:
Standard Grant
Episodic Slow Slip Events and Tremors in Subduction Zones and Relation to Megathrust Earthquakes
俯冲带的偶发性慢滑事件和地震及其与巨型逆冲地震的关系
- 批准号:
1015221 - 财政年份:2010
- 资助金额:
$ 25.81万 - 项目类别:
Continuing Grant
Collaborative Research: Understanding the Connections Between Strain Transients and Earthquake Swarms
合作研究:了解应变瞬变与地震群之间的联系
- 批准号:
0952174 - 财政年份:2010
- 资助金额:
$ 25.81万 - 项目类别:
Standard Grant
Collaborative Research: Earthquake swarms and aseismic slip in the Salton Trough: High-resolution imaging of the upper frictional stability transition.
合作研究:索尔顿海槽中的地震群和抗震滑移:上部摩擦稳定性转变的高分辨率成像。
- 批准号:
0943480 - 财政年份:2010
- 资助金额:
$ 25.81万 - 项目类别:
Standard Grant
Investigations of the Updip Limit of the Cascadia Seismogenic Zone
卡斯卡迪亚地震带上倾极限的调查
- 批准号:
0960879 - 财政年份:2010
- 资助金额:
$ 25.81万 - 项目类别:
Continuing Grant
Detecting Aseismic Stressing Transients using Stochastic Seismicity Models
使用随机地震活动模型检测抗震应力瞬变
- 批准号:
0738641 - 财政年份:2008
- 资助金额:
$ 25.81万 - 项目类别:
Continuing Grant
Examining Changes in Earthquake Triggering Behavior Across the Ocean-Continent Transition, Gulf of California
检查加利福尼亚湾海洋-大陆过渡区地震触发行为的变化
- 批准号:
0548785 - 财政年份:2006
- 资助金额:
$ 25.81万 - 项目类别:
Standard Grant
A Seafloor Geodesy Experiment at the Discovery Transform Fault
发现转换断层的海底大地测量实验
- 批准号:
0351143 - 财政年份:2004
- 资助金额:
$ 25.81万 - 项目类别:
Standard Grant
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