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DOI | 10.1029/2018GL078422 |
Injection-Induced Moment Release Can Also Be Aseismic | |
McGarr, A.; Barbour, Andrew J. | |
2018-06-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2018 |
卷号 | 45期号:11页码:5344-5351 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The cumulative seismic moment is a robust measure of the earthquake response to fluid injection for injection volumes ranging from 3,100 to about 12 million m(3). Over this range, the moment release is limited to twice the product of the shear modulus and the volume of injected fluid. This relation also applies at the much smaller injection volumes of the field experiment in France reported by Guglielmi et al. (2015, https://doi.org/10.1126/science.aab0476) and laboratory experiments to simulate hydraulic fracturing described by Goodfellow et al. (2015, https://doi.org/10.1002/2015GL063093). In both of these studies, the relevant moment release for comparison with the fluid injection was aseismic and consistent with the scaling that applies to the much larger volumes associated with injection-induced earthquakes with magnitudes extending up to 5.8. Neither the microearthquakes, at the site in France, nor the acoustic emission in the laboratory samples contributed significantly to the deformation due to fluid injection. Plain Language Summary Injection of fluid into the Earth's crust sometimes results in a sequence of earthquakes. The deformation associated with these earthquakes is proportional to the volume of injected fluid. This relationship between injected volume and induced earthquakes applies for volumes ranging from 3,100 m(3) up to volumes exceeding 10 million m(3), for induced earthquakes with magnitudes as high as 5.8. It turns out that this simple relationship is also useful at much smaller injected volumes. At a field experiment in southern France, injection of 0.95 m(3) of water into a preexisting fault zone, cutting through a limestone terrain, caused a "slow earthquake" with a magnitude of 1.17. At a much smaller scale, laboratory experiments to simulate hydraulic fracturing revealed that injection of approximately 1ml of water into samples of granite resulted in slow sample expansion equivalent to the deformation of earthquakes with magnitudes of about minus 3. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000436249900015 |
WOS关键词 | DENVER EARTHQUAKES ; INDUCED SEISMICITY ; FLUID INJECTION ; RATON BASIN ; OKLAHOMA ; DISPOSAL ; RESERVOIR ; COLORADO ; PAWNEE ; ZONE |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/27744 |
专题 | 气候变化 |
作者单位 | US Geol Survey, Earthquake Sci Ctr, 345 Middlefield Rd, Menlo Pk, CA 94025 USA |
推荐引用方式 GB/T 7714 | McGarr, A.,Barbour, Andrew J.. Injection-Induced Moment Release Can Also Be Aseismic[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(11):5344-5351. |
APA | McGarr, A.,&Barbour, Andrew J..(2018).Injection-Induced Moment Release Can Also Be Aseismic.GEOPHYSICAL RESEARCH LETTERS,45(11),5344-5351. |
MLA | McGarr, A.,et al."Injection-Induced Moment Release Can Also Be Aseismic".GEOPHYSICAL RESEARCH LETTERS 45.11(2018):5344-5351. |
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