globalchange  > 科学计划与规划
DOI: 10.1002/2016GL069759
论文题名:
Evidence of underground electric current generation during the 2009 L'Aquila earthquake: Real or instrumental?
作者: Masci F.; Thomas J.N.
刊名: Geophysical Research Letters
ISSN: 0094-9565
EISSN: 1944-9296
出版年: 2016
卷: 43, 期:12
起始页码: 6153
结束页码: 6161
语种: 英语
英文关键词: earthquake ; geomagnetic field ; seismoelectric effects
Scopus关键词: Earthquakes ; Electromagnetic field effects ; Electromagnetic induction ; Geomagnetism ; Geophysics ; Magnetic fields ; Magnetism ; Seismology ; Current generation ; Earth's magnetic field ; Geomagnetic fields ; L'aquila earthquakes ; Magnetic field components ; Magnetic field data ; Permanent displacements ; Seismoelectric ; Magnetic field effects ; Aquila
英文摘要: We investigate magnetic effects in correspondence of the Mw6.1 L'Aquila earthquake. Magnetic and seismic records are analyzed. Rapid and distinct changes and an offset can be seen in magnetic field components after the main shock. We show that these effects result from electromagnetic induction due to the movement of the sensors through the Earth's magnetic field and from a permanent displacement of the sensors from their original position caused by the passing seismic waves. A transient signal in total field data from an overhauser magnetometer apparently occurs in correspondence with the earthquake. Our analysis shows that the transient was not observed by other sensors that were operating in close proximity to the overhauser. Thus, the transient signal in the total magnetic field data, and the offset in the magnetic field components, cannot be associated with a hypothetical underground electric current generated by the earthquake, as suggested by Nenovski (2015). ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84977592568&doi=10.1002%2f2016GL069759&partnerID=40&md5=d1f7008fb13babe4c00ea89ac6f928bf
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10528
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Istituto Nazionale di Geofisica e Vulcanologia, L'Aquila, Italy

Recommended Citation:
Masci F.,Thomas J.N.. Evidence of underground electric current generation during the 2009 L'Aquila earthquake: Real or instrumental?[J]. Geophysical Research Letters,2016-01-01,43(12).
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