ON OBSERVATION RESULTS OF SEISMIC WAVE OF SACKS BODY STRAIN
Zhang Lingkong and Niu Anfu
China Earthquake Networks Center，Beijing 100045
Abstract The seismic response capacity of Sacks borehole body strainmeter was researched. It is discovered that the capacity is connected with eathquake magnitude or epicenter distance and spread along a line. The law is found that the amplitude will increase exponentially when earthquake magnitude increase and it will decay with power function when the epicente distance increase. The characters of the conseismic strain step of 6 Sacks body strainmeters in Beijing and Tianjin were analysed. It shows that there is a certain relation between the strain step’s polarity （press and spread） with the faults which the observation stations are located on.
Key words ：
body strain seismic wave
amplitude
magnitude
epicenter distance
strain step
Received: 01 January 1900
Corresponding Authors:
Zhang Lingkong
Cite this article:
Zhang Lingkong and Niu Anfu,$author.xingMing_EN. ON OBSERVATION RESULTS OF SEISMIC WAVE OF SACKS BODY STRAIN[J]. , 2009, 29(5): 33-37.
Zhang Lingkong and Niu Anfu,$author.xingMing_EN. ON OBSERVATION RESULTS OF SEISMIC WAVE OF SACKS BODY STRAIN[J]. jgg, 2009, 29(5): 33-37.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2009/V29/I5/33
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