Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3510
AuthorsDjadkov, P. G.* 
Mikheev, O. A.* 
Minenko, M. I.* 
Sobolev, O. A.* 
TitleSome results of tectonomagnetic monitoring in the epicentral zone of the M7.5 Altay earthquake, September 27, 2003
Issue DateFeb-2007
Series/Report no.1/50 (2007)
URIhttp://hdl.handle.net/2122/3510
Keywordstectonomagnetic monitorng
piezomagnetic model
aftershock process
stress change
Subject Classification04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring 
AbstractWe report tectonomagnetic results from the epicentral area of the 27 September 2003 Ms=7.5 earthquake in the Altay mountains, southern West Siberia. The results were obtained in the first three survey campaigns in early October 2003, late November 2003, and latest May-early June 2004 using an array of one continuous-measurement station and fifteen repeated-survey sites. Changes in total geomagnetic field associated with seismic activity were mostly of regional scale and usually did not exceed 1.5 nT. The M=4.5 aftershock of 31 May 2004 was accompanied by an anomaly of 1-2 nT. The location of the anomaly within highly magnetic rocks can be evidence of its piezomagnetic origin.
Appears in Collections:Annals of Geophysics

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