globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.epsl.2017.10.052
Scopus记录号: 2-s2.0-85033600890
论文题名:
Scaling and spatial complementarity of tectonic earthquake swarms
作者: Passarelli L.; Rivalta E.; Jónsson S.; Hensch M.; Metzger S.; Jakobsdóttir S.S.; Maccaferri F.; Corbi F.; Dahm T.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2018
卷: 482
起始页码: 62
结束页码: 70
语种: 英语
英文关键词: aseismic/seismic source mechanisms for TES ; efficient tectonic strain release by TES ; moment, duration and migration velocity scalings of TES ; ridge transform fault earthquakes ; Tectonic Earthquake Swarms (TES) ; triggering mechanisms of TES
Scopus关键词: Earthquakes ; Geophysics ; Tectonics ; Transform faults ; Migration velocity ; Source mechanisms ; Strain release ; Tectonic earthquakes ; Triggering mechanism ; Faulting ; earthquake damage ; earthquake mechanism ; earthquake swarm ; earthquake trigger ; plate boundary ; seismic migration ; seismic moment ; seismic source ; seismotectonics ; slip ; spatial analysis ; strain ; transform fault
英文摘要: Tectonic earthquake swarms (TES) often coincide with aseismic slip and sometimes precede damaging earthquakes. In spite of recent progress in understanding the significance and properties of TES at plate boundaries, their mechanics and scaling are still largely uncertain. Here we evaluate several TES that occurred during the past 20 years on a transform plate boundary in North Iceland. We show that the swarms complement each other spatially with later swarms discouraged from fault segments activated by earlier swarms, which suggests efficient strain release and aseismic slip. The fault area illuminated by earthquakes during swarms may be more representative of the total moment release than the cumulative moment of the swarm earthquakes. We use these findings and other published results from a variety of tectonic settings to discuss general scaling properties for TES. The results indicate that the importance of TES in releasing tectonic strain at plate boundaries may have been underestimated. © 2017 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110139
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: GFZ German Research Centre for Geosciences, Telegrafenberg, Potsdam, 14473, Germany; King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division (PSE), Thuwal, 23955-6900, Saudi Arabia; Icelandic Meteorological Office, Bústaðavegi 7-9, Reykjavík, 108, Iceland; The Icelandic Centre for Research, Borgartún 30, Reykjavík, 105, Iceland; Geosciences Montpellier Laboratory, Montpellier University, CC.60, Place E. Bataillon, Montpellier cédex 5, 34095, France; Regierungspräsidium Freiburg, Landesamt für Geologie, Rohstoffe und Bergbau, Landeserdbebendienst, Albertstraße 5, Freiburg, Germany

Recommended Citation:
Passarelli L.,Rivalta E.,Jónsson S.,et al. Scaling and spatial complementarity of tectonic earthquake swarms[J]. Earth and Planetary Science Letters,2018-01-01,482
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