Recent Advances and Challenges of Waveform-Based Seismic Location Methods at Multiple Scales

IF 25.2 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS Reviews of Geophysics Pub Date : 2020-01-15 DOI:10.1029/2019RG000667
Lei Li, Jingqiang Tan, Benjamin Schwarz, Franti?ek Staněk, Natalia Poiata, Peidong Shi, Leon Diekmann, Leo Eisner, Dirk Gajewski
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引用次数: 75

Abstract

Source locations provide fundamental information on earthquakes and lay the foundation for seismic monitoring at all scales. Seismic source location as a classical inverse problem has experienced significant methodological progress during the past century. Unlike the conventional traveltime-based location methods that mainly utilize kinematic information, a new category of waveform-based methods, including partial waveform stacking, time reverse imaging, wavefront tomography, and full waveform inversion, adapted from migration or stacking techniques in exploration seismology has emerged. Waveform-based methods have shown promising results in characterizing weak seismic events at multiple scales, especially for abundant microearthquakes induced by hydraulic fracturing in unconventional and geothermal reservoirs or foreshock and aftershock activity potentially preceding tectonic earthquakes. This review presents a comprehensive summary of the current status of waveform-based location methods, through elaboration of the methodological principles, categorization, and connections, as well as illustration of the applications to natural and induced/triggered seismicity, ranging from laboratory acoustic emission to field hydraulic fracturing-induced seismicity, regional tectonic, and volcanic earthquakes. Taking into account recent developments in instrumentation and the increasing availability of more powerful computational resources, we highlight recent accomplishments and prevailing challenges of different waveform-based location methods and what they promise to offer in the near future.

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基于波形的多尺度地震定位方法研究进展与挑战
震源位置提供了有关地震的基本信息,并为所有尺度的地震监测奠定了基础。震源定位作为一个经典的反演问题,在过去的一个世纪里取得了重大的方法进步。与传统的主要利用运动学信息的基于旅行时的定位方法不同,一种新的基于波形的方法应运而生,包括部分波形叠加、时间逆成像、波前层析成像和全波形反演,这些方法都是基于勘探地震学中的偏移或叠加技术。基于波形的方法在表征多尺度弱地震事件方面显示出良好的效果,特别是对于非常规油气藏和地热储层中水力压裂引起的大量微地震,或者可能在构造地震之前发生的前震和余震活动。本文通过阐述方法原理、分类和联系,全面总结了基于波形的定位方法的现状,并举例说明了波形定位方法在自然和诱发/触发地震活动中的应用,包括实验室声发射、现场水力压裂诱发地震活动、区域构造和火山地震等。考虑到仪器仪表的最新发展和更强大的计算资源的日益可用性,我们强调了不同的基于波形的定位方法的最新成就和当前的挑战,以及它们在不久的将来有望提供的服务。
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来源期刊
Reviews of Geophysics
Reviews of Geophysics 地学-地球化学与地球物理
CiteScore
50.30
自引率
0.80%
发文量
28
审稿时长
12 months
期刊介绍: Geophysics Reviews (ROG) offers comprehensive overviews and syntheses of current research across various domains of the Earth and space sciences. Our goal is to present accessible and engaging reviews that cater to the diverse AGU community. While authorship is typically by invitation, we warmly encourage readers and potential authors to share their suggestions with our editors.
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