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| DOI | 10.1126/science.aat5449 |
| The spatial footprint of injection wells in a global compilation of induced earthquake sequences | |
| Goebel T.H.W.; Brodsky E.E. | |
| 发表日期 | 2018 |
| ISSN | 0036-8075 |
| 起始页码 | 899 |
| 结束页码 | 904 |
| 卷号 | 361期号:6405 |
| 英文摘要 | Fluid injection can cause extensive earthquake activity, sometimes at unexpectedly large distances. Appropriately mitigating associated seismic hazards requires a better understanding of the zone of influence of injection. We analyze spatial seismicity decay in a global dataset of 18 induced cases with clear association between isolated wells and earthquakes. We distinguish two populations. The first is characterized by near-well seismicity density plateaus and abrupt decay, dominated by square-root space-time migration and pressure diffusion. Injection at these sites occurs within the crystalline basement. The second population exhibits larger spatial footprints and magnitudes, as well as a power law–like, steady spatial decay over more than 10 kilometers, potentially caused by poroelastic effects. Far-reaching spatial effects during injection may increase event magnitudes and seismic hazard beyond expectations based on purely pressure-driven seismicity. © 2018 American Association for the Advancement of Science. All rights reserved. |
| 英文关键词 | earthquake event; earthquake magnitude; fluid injection; global perspective; induced seismicity; seismic hazard; seismicity; spatial analysis; article; diffusion; earthquake; expectation; human; injection |
| 语种 | 英语 |
| 来源期刊 | Science
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/243825 |
| 作者单位 | Department of Earth and Planetary Sciences, University of California, Santa Cruz, CA, United States |
| 推荐引用方式 GB/T 7714 | Goebel T.H.W.,Brodsky E.E.. The spatial footprint of injection wells in a global compilation of induced earthquake sequences[J],2018,361(6405). |
| APA | Goebel T.H.W.,&Brodsky E.E..(2018).The spatial footprint of injection wells in a global compilation of induced earthquake sequences.Science,361(6405). |
| MLA | Goebel T.H.W.,et al."The spatial footprint of injection wells in a global compilation of induced earthquake sequences".Science 361.6405(2018). |
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