Origin of hydrologic responses to earthquakes: constraints from the response of the Alum Rock Springs to the 2007 Alum Rock earthquake

地震水文响应的起源:明矾岩泉对 2007 年明矾岩地震响应的限制

基本信息

  • 批准号:
    0909701
  • 负责人:
  • 金额:
    $ 24.54万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-09-01 至 2013-08-31
  • 项目状态:
    已结题

项目摘要

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5)Hydrologic responses to earthquakes are common. One example, liquefaction, is the major source of damage following earthquakes. Other examples include increases in stream flow, changes in the water level in wells, and the eruption of mud volcanoes. Such hydrologic responses are important because they provide unique insight into the coupling of hydrologic and tectonic processes at spatial and temporal scales that are otherwise difficult to study. This understanding is valuable to improve earthquake hazard assessment.The origin of hydrologic responses to earthquakes has been the subject of controversy, in large part because there are many models to explain observations and almost no measurements suitable for distinguishing between hypotheses. We will test these hypotheses using the response of a set of springs in Alum Rock, California to magnitude 5.6 earthquake that occurred on the October 30, 2007. We had been monitoring these springs for the previous 5 years in order to provide a benchmark for post-seismic changes in discharge and water composition. We will combine previous measurements and continued monitoring with numerical modeling of the subsurface flow and spring discharge to test proposed models for the origin of the increased discharge. Because the water at each spring is geochemically distinct, changes at individual springs will enable us to document changes in fault zone plumbing. By integrating measurements and modeling we should also be able to determine whether the source of the observed excess spring discharge originates either at depth or in the shallow subsurface, and whether static strain or dynamic strain is responsible for the changes.Broader impacts:This project offers an interdisciplinary opportunity to understand fault zone structure and evolution. In particular it will provide new constraints on the role of fluids in fault zone processes. The investigators will integrate the monitoring of the springs with courses taught at UC Berkeley, including freshman seminars, undergraduate-level geodynamics, and graduate level classes. They will also communicate results with the managers of Alum Rock Park where the springs are located. The park is a popular destination for local residents and K-12 student field trips. The Youth Science Institute, housed at the park, reaches 33,000 students/year. The springs are the main draw of the park and our work can be used to update educational activities and interpretive displays.
该奖项是根据2009年美国复苏和再投资法案(公法111-5)资助的。例如,液化是地震后破坏的主要来源。其他的例子包括河流流量的增加,威尔斯水位的变化,以及泥火山的爆发。这样的水文响应是重要的,因为它们提供了独特的洞察水文和构造过程在空间和时间尺度上的耦合,否则很难研究。这一认识对于改进地震危险性评估是有价值的。地震水文响应的起源一直是有争议的主题,很大程度上是因为有许多模型来解释观测结果,而几乎没有适合区分假设的测量方法。我们将测试这些假设使用的一组弹簧在明矾石,加州的5.6级地震发生在2007年10月30日的反应。在过去的5年里,我们一直在监测这些泉水,以便为地震后流量和水成分的变化提供基准。我们将联合收割机将之前的测量和持续监测与地下水流和泉水流量的数值建模相结合,以测试流量增加的起源的拟议模型。由于每个泉水的地球化学性质不同,因此各个泉水的变化将使我们能够记录断层带管道的变化。通过整合测量和建模,我们还应该能够确定所观察到的过量泉水流量的来源是源于深层还是浅层地下,以及静态应变还是动态应变是造成变化的原因。更广泛的影响:该项目提供了一个跨学科的机会来了解断层带结构和演化。 特别是它将提供新的限制作用的流体在断裂带过程。研究人员将把对泉水的监测与加州大学伯克利分校的课程结合起来,包括新生研讨会、本科生地球动力学和研究生课程。他们还将与泉水所在的明矾岩公园的管理人员交流结果。该公园是当地居民和K-12学生实地考察的热门目的地。青年科学研究所设在公园内,每年有33,000名学生。温泉是公园的主要景点,我们的工作可以用来更新教育活动和解释性展示。

项目成果

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Michael Manga其他文献

Exposed columns in the Valles Caldera ignimbrites as records of hydrothermal cooling, Jemez Mountains, New Mexico, USA
  • DOI:
    10.1016/j.jvolgeores.2022.107536
  • 发表时间:
    2022-06-01
  • 期刊:
  • 影响因子:
  • 作者:
    Stephen Self;Noah Randolph-Flagg;John E. Bailey;Michael Manga
  • 通讯作者:
    Michael Manga
A gas-tight shock tube apparatus for laboratory volcanic lightning under varying atmospheric conditions
用于不同大气条件下实验室火山闪电的气密激波管装置
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
    ∗. ChristinaSpringsklee;B. Scheu;Christoph Seifert;Michael Manga;C. Cimarelli;Damian Gaudin;Oliver Trapp;Donald Bruce Dingwell
  • 通讯作者:
    Donald Bruce Dingwell
Fracture penetration in planetary ice shells
  • DOI:
    10.1016/j.icarus.2008.10.010
  • 发表时间:
    2009-02-01
  • 期刊:
  • 影响因子:
  • 作者:
    Maxwell L. Rudolph;Michael Manga
  • 通讯作者:
    Michael Manga
Strike-slip fault patterns on Europa: Obliquity or polar wander?
  • DOI:
    10.1016/j.icarus.2010.11.002
  • 发表时间:
    2011-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Alyssa Rose Rhoden;Terry A. Hurford;Michael Manga
  • 通讯作者:
    Michael Manga
The challenges of driving Charon's cryovolcanism from a freezing ocean
  • DOI:
    10.1016/j.icarus.2022.115391
  • 发表时间:
    2023-03-01
  • 期刊:
  • 影响因子:
  • 作者:
    Alyssa Rose Rhoden;Maxwell L. Rudolph;Michael Manga
  • 通讯作者:
    Michael Manga

Michael Manga的其他文献

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{{ truncateString('Michael Manga', 18)}}的其他基金

Particle clustering in dilute pyroclastic density currents and plumes
稀火山碎屑密度流和羽流中的颗粒聚集
  • 批准号:
    2042173
  • 财政年份:
    2021
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Continuing Grant
Collaborative Research: Subsurface plumbing, tremor migration, and eruption cycle of Yellowstone Geysers
合作研究:黄石间歇泉的地下管道、震颤迁移和喷发周期
  • 批准号:
    2116573
  • 财政年份:
    2021
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Standard Grant
EAGER Collaborative Research: Testing a new sensor for short term and long term measurement of heat flow in lakes
EAGER 协作研究:测试用于短期和长期测量湖泊热流的新传感器
  • 批准号:
    2041397
  • 财政年份:
    2020
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Standard Grant
Collaborative Research: Exploring the Magmatic, Crustal, and Conduit Conditions Required for Mafic, Plinian Volcanism
合作研究:探索镁铁质、普林尼式火山活动所需的岩浆、地壳和管道条件
  • 批准号:
    1831213
  • 财政年份:
    2018
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Standard Grant
ABR: Field, Laboratory, and Numerical Studies of Geyser Eruptions
ABR:间歇泉喷发的现场、实验室和数值研究
  • 批准号:
    1724986
  • 财政年份:
    2017
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Standard Grant
Collaborative Research: Residual Stress Preserved in Crystals from Volcanic Eruptions
合作研究:火山喷发晶体中保存的残余应力
  • 批准号:
    1724469
  • 财政年份:
    2017
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Standard Grant
Collaborative Research: Flood volcanism and environmental impacts -- A multidisciplinary investigation of the Deccan Traps and events at the Cretaceous-Paleogene boundary
合作研究:洪水火山活动和环境影响——对德干地盾和白垩纪-古近纪边界事件的多学科调查
  • 批准号:
    1615203
  • 财政年份:
    2016
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Continuing Grant
Collaborative Proposal: Experimental Studies of Dilute Pyroclastic Density Currents
合作提案:稀火山碎屑密度流的实验研究
  • 批准号:
    1447559
  • 财政年份:
    2015
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Standard Grant
RAPID: Hydrological responses to the August, 2014, Napa earthquake
RAPID:2014 年 8 月纳帕地震的水文响应
  • 批准号:
    1463997
  • 财政年份:
    2015
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Standard Grant
Collaborative research: Origin of hydrologic responses to earthquakes: constraints from New Zealand, Taiwan, Chile, and USA
合作研究:地震水文响应的起源:新西兰、台湾、智利和美国的限制
  • 批准号:
    1344424
  • 财政年份:
    2014
  • 资助金额:
    $ 24.54万
  • 项目类别:
    Continuing Grant

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合作研究:RAPID:湖泊生态系统对火灾沿燃烧特征和水文连通性梯度的响应
  • 批准号:
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对气候、土地利用和水利用同时变化的水文响应
  • 批准号:
    RGPIN-2021-02454
  • 财政年份:
    2022
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对气候、土地利用和水利用同时变化的水文响应
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