气候变化领域集成服务门户(CCPortal): Injection-Induced Earthquakes on Complex Fault Zones of the Raton Basin Illuminated by Machine-Learning Phase Picker and Dense Nodal Array

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DOI	10.1029/2020GL088168
	Injection-Induced Earthquakes on Complex Fault Zones of the Raton Basin Illuminated by Machine-Learning Phase Picker and Dense Nodal Array
	Wang R.; Schmandt B.; Zhang M.; Glasgow M.; Kiser E.; Rysanek S.; Stairs R.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:14
英文摘要	Seismicity in the Raton Basin over the past two decades suggests reactivation of basement faults due to waste-water injection. In the summer of 2018, 96 short period three-component nodal instruments were installed in a highly active region of the basin for a month. A machine-learning based phase picker (PhaseNet) was adopted and identified millions of picks, which were associated into events using an automated algorithm—REAL (Rapid Earthquake Association and Location). After hypocenter relocation with hypoDD, the earthquake catalog contains 9,259 ML −2.2 to 3 earthquakes focused at depths of 4–6 km. Magnitude of completeness (Mc) varies from −1 at nighttime to −0.5 in daytime, likely reflecting noise variation modulated by wind. The clustered hypocenters with variable depths and focal mechanisms suggest a complex network of basement faults. Frequency-magnitude statistics and the spatiotemporal evolution of seismicity are comparable to tectonic systems. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Buildings; Complex networks; Earthquakes; Faulting; Automated algorithms; Basement faults; Earthquake catalogs; Hypocenter relocation; Noise variations; Spatiotemporal evolution; Tectonic system; Three component; Machine learning; array; earthquake; earthquake hypocenter; fault zone; frequency-magnitude distribution; machine learning; spatiotemporal analysis; Raton Basin; United States
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170120
作者单位	Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, United States; Department of Earth and Environmental Sciences, Dalhousie University, Halifax, NS, Canada; Department of Geosciences, University of Arizona, Tucson, AZ, United States
推荐引用方式 GB/T 7714	Wang R.,Schmandt B.,Zhang M.,et al. Injection-Induced Earthquakes on Complex Fault Zones of the Raton Basin Illuminated by Machine-Learning Phase Picker and Dense Nodal Array[J],2020,47(14).
APA	Wang R..,Schmandt B..,Zhang M..,Glasgow M..,Kiser E..,...&Stairs R..(2020).Injection-Induced Earthquakes on Complex Fault Zones of the Raton Basin Illuminated by Machine-Learning Phase Picker and Dense Nodal Array.Geophysical Research Letters,47(14).
MLA	Wang R.,et al."Injection-Induced Earthquakes on Complex Fault Zones of the Raton Basin Illuminated by Machine-Learning Phase Picker and Dense Nodal Array".Geophysical Research Letters 47.14(2020).