Rapid deployment of a seismic array in Ecuador following the April 16th 2016 M7.8 Pedernales earthquake

2016 年 4 月 16 日 M7.8 佩德纳莱斯地震后,厄瓜多尔快速部署地震台阵

基本信息

  • 批准号:
    NE/P008828/1
  • 负责人:
  • 金额:
    $ 6.67万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2016
  • 资助国家:
    英国
  • 起止时间:
    2016 至 无数据
  • 项目状态:
    已结题

项目摘要

This project will rapidly deploy a seismological network at the southern end of the April 16th 2016 M7.8 Pedernales earthquake in Ecuador (Objective 1). Our project partners are currently deploying seismological stations in the central (GEOAZURE, IRD, France) and northern (IRIS, USA) regions of the fault zone. The seismological network will record earthquake activity continuously for a period of 10 months, with a service after 5 months. The dataset obtained, which will be openly shared among our project partners and the scientific community will provide unprecedented resolution on imaging aftershock activity on the subduction interface. Once collected after 5 and 10 months, the continuous data will be processed to detect earthquakes which will be located while jointly determining high-resolution 3D velocity structure in this tectonically complex subduction zone. By interpreting the spatial and temporal distribution and migration of aftershock activity we will gain valuable insight into the stress conditions at the subduction interface. Additional analysis of attenuation that the seismic waves have undergone will, when jointly interpreted with the P-wave and S-wave velocity structure, will provide information as to the chemical and mineralogical nature of the subduction zone and processes. In order to interpret the seismological data in terms of the stress and strain changes that have taken place before, during and after the M7.8 earthquake, we will use satellite interferometry to determine, for the first time, a multi-temporal InSAR time series (Objective 2). This will be done by processing multiple satellite images of the zone, from 6 months before to 12 months after the earthquake. From these images we can ascertain the ground deformation. The data collected will allow us to bring together interdisciplinary information to interpret the state of stress and its evolution in this poorly studied and instrumented part of the world. Finally, using all data and interpretations gathered we will address the question of whether the southern region of the fault zone is likely to rupture, and what the likely response of nearby volcanic zones will be to changes in the regional stress field.
本项目将在2016年4月16日厄瓜多尔佩德纳莱斯足目7.8级地震南端快速部署地震台网(目标1)。我们的项目合作伙伴目前正在断层带的中部(法国IRD的GEOAZURE)和北方(美国IRIS)地区部署地震台站。地震台网将连续记录地震活动,为期10个月,5个月后开始服务。所获得的数据集将在我们的项目合作伙伴和科学界之间公开共享,这将为俯冲界面上的余震活动提供前所未有的分辨率。一旦在5个月和10个月后收集到连续数据,将对这些数据进行处理,以检测地震,同时联合确定这一构造复杂的俯冲带的高分辨率三维速度结构。通过解释余震活动的时空分布和迁移,我们将获得有价值的洞察俯冲界面的应力条件。对地震波所经历的衰减进行的进一步分析,如果与P波和S波速度结构共同解释,将提供有关俯冲带和过程的化学和矿物学性质的信息。为了解释地震学数据的应力和应变的变化,发生之前,期间和之后的M7.8地震,我们将使用卫星干涉测量,以确定,第一次,多时干涉合成孔径雷达时间序列(目标2)。这将通过处理地震前6个月至地震后12个月的地震区多个卫星图像来完成。从这些图像中我们可以确定地面的变形。收集的数据将使我们能够汇集跨学科的信息,以解释压力的状态及其在世界上这个研究和仪器不足的地区的演变。最后,利用收集到的所有数据和解释,我们将解决断裂带南部地区是否可能破裂的问题,以及附近火山区对区域应力场变化的可能反应。

项目成果

期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
An Improved Phase Filter for Differential SAR Interferometry Based on an Iterative Method
  • DOI:
    10.1109/tgrs.2018.2820725
  • 发表时间:
    2018-04
  • 期刊:
  • 影响因子:
    8.2
  • 作者:
    Alejandro Mestre-Quereda;J. Lopez-Sanchez;J. Selva;P. González
  • 通讯作者:
    Alejandro Mestre-Quereda;J. Lopez-Sanchez;J. Selva;P. González
3D Local Earthquake Tomography of the Ecuadorian Margin in the Source Area of the 2016 Mw 7.8 Pedernales Earthquake
2016 年 Mw 7.8 佩德纳莱斯地震震源区厄瓜多尔边缘的 3D 局部地震层析成像
  • DOI:
    10.1029/2020jb020701
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    León‐Ríos, Sergio;Bie, Lidong;Agurto‐Detzel, Hans;Rietbrock, Andreas;Galve, Audrey;Alvarado, Alexandra;Beck, Susan;Charvis, Philippe;Font, Yvonne;Hidalgo, Silvana
  • 通讯作者:
    Hidalgo, Silvana
1D-velocity structure and seismotectonics of the Ecuadorian margin inferred from the 2016 Mw7.8 Pedernales aftershock sequence
根据 2016 年 Mw7.8 Pedernales 余震序列推断的厄瓜多尔边缘一维速度结构和地震构造
  • DOI:
    10.1016/j.tecto.2019.228165
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    León-Ríos, Sergio;Agurto-Detzel, Hans;Rietbrock, Andreas;Alvarado, Alexandra;Beck, Susan;Charvis, Phillipe;Edwards, Benjamin;Font, Yvonne;Garth, Tom;Hoskins, Mariah
  • 通讯作者:
    Hoskins, Mariah
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Benjamin Edwards其他文献

The Influence of Earthquake Magnitude on Hazard Related to Induced Seismicity
地震震级对诱发地震活动相关灾害的影响
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Benjamin Edwards
  • 通讯作者:
    Benjamin Edwards
DEPRESSION AND AN XIETY WITH PHYSICAL ILLNESS Is caring a health hazard ? The mental health and vitality of carers of a person with a disability in Australia
因身体疾病而感到抑郁和焦虑 护理是否会危害健康?
  • DOI:
  • 发表时间:
    2009
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Benjamin Edwards;Daryl J. Higgins
  • 通讯作者:
    Daryl J. Higgins
Earthquakes in Switzerland and surrounding regions during 2010
  • DOI:
    10.1007/s00015-011-0084-y
  • 发表时间:
    2011-11-25
  • 期刊:
  • 影响因子:
    2.600
  • 作者:
    Nicholas Deichmann;John Clinton;Stephan Husen;Benjamin Edwards;Florian Haslinger;Donat Fäh;Domenico Giardini;Philipp Kästli;Urs Kradolfer;Stefan Wiemer
  • 通讯作者:
    Stefan Wiemer
Analyzing and Modeling Longitudinal Security Data: Promise and Pitfalls
纵向安全数据分析和建模:前景和陷阱
Regionally adjusted stochastic earthquake ground motion models, associated variabilities and epistemic uncertainties
区域调整随机地震地面运动模型、相关变量和认知不确定性
  • DOI:
    10.1007/s10950-024-10195-7
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    1.6
  • 作者:
    Jaleena Sunny;Marco de Angelis;Benjamin Edwards
  • 通讯作者:
    Benjamin Edwards

Benjamin Edwards的其他文献

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{{ truncateString('Benjamin Edwards', 18)}}的其他基金

Hydro-Mechanics of Fluid-Induced Seismicity in the Context of the Green-Energy Transition
绿色能源转型背景下流体诱发地震的流体力学
  • 批准号:
    NE/W009609/1
  • 财政年份:
    2022
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Research Grant
AHRC Infrastructure Policy & Engagement Fellowships - Heritage Science & Conservation Research PART 2
AHRC 基础设施政策
  • 批准号:
    AH/X009254/1
  • 财政年份:
    2022
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Research Grant
Collaborative Research: Ice Forcing in Arc Magma Plumbing Systems (IF-AMPS)
合作研究:电弧岩浆管道系统中的冰强迫 (IF-AMPS)
  • 批准号:
    2121537
  • 财政年份:
    2021
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Standard Grant
AHRC Infrastructure Policy and Engagement Fellowships - Heritage Science and Conservation Research
AHRC 基础设施政策和参与奖学金 - 遗产科学和保护研究
  • 批准号:
    AH/W001462/1
  • 财政年份:
    2021
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Research Grant
Experiencing the Lost and Invisible: AR Visualisation of the Past at Bryn Celli Ddu, Anglesey
体验失落和隐形:Bryn Celli Ddu 过去的 AR 可视化,安格尔西
  • 批准号:
    AH/R009198/1
  • 财政年份:
    2018
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Research Grant
RAPID: RUI: Collaborative Research: Rapid Response to Ongoing Tolbachik Eruption
RAPID:RUI:合作研究:对正在进行的托尔巴奇克火山喷发的快速反应
  • 批准号:
    1321648
  • 财政年份:
    2013
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Standard Grant
Collaborative Research/RUI: Testing Hypotheses on Pillow Lava Production During Glaciovolcanic Eruptions
合作研究/RUI:检验冰川火山喷发期间枕状熔岩产生的假设
  • 批准号:
    1220403
  • 财政年份:
    2012
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Continuing Grant
RAPID: RUI: Constraints on Fragmentation and Lava-Ice Contact From Ongoing 2010 Eyjafjallajokull Eruption, Southcentral Iceland
RAPID:RUI:2010 年冰岛中南部埃亚菲亚德拉冰川持续喷发对破碎和熔岩-冰接触的限制
  • 批准号:
    1039461
  • 财政年份:
    2010
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Standard Grant
RUI: Using the Products of Volcano-Ice Interaction to Constrain Paleo-ice Conditions II: Documenting Fluctuations in Continental Ice-sheets
RUI:利用火山-冰相互作用的产物来限制古冰条件 II:记录大陆冰盖的波动
  • 批准号:
    0910712
  • 财政年份:
    2009
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Standard Grant
Collaborative Research: Using the Products of Volcano-Ice Interaction to Constrain Paleo-Ice Conditions
合作研究:利用火山-冰相互作用的产物来限制古冰条件
  • 批准号:
    0439707
  • 财政年份:
    2006
  • 资助金额:
    $ 6.67万
  • 项目类别:
    Continuing Grant

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