Estimation of the stress levels in the focal region before and after the 2001 M =8.1 Western Kunlun Mountain Pass earthquake |
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| Authors: | Chen Xue-zhong |
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| Institution: | (1) Institute of Geophysics, China Earthquake Administration, 100081 Beijing, China |
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| Abstract: | A method estimating the stress level in the focal region of an earthquake is proposed here. Taking the 2001 M=8.1 Western Kunlun Mountain Pass earthquake as an example, we estimate its stress level in the focal region before and after
it by this method. The results show that the stress level in the focal region just prior to the initiation of this event is
approximately 6.3–8 MPa, and about 5–6.7 MPa remained in the focal region after its occurrence. The stress in the focal region
decreased by roughly twenty percent after this event.
Contribution No. 05FE3026, Institute of Geophysics, China Earthquake Administration. |
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| Keywords: | Western Kunlun Mountain Pass earthquake focal region stress level |
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