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Relationship Between Earthquake b-Values and Crustal Stresses in a Young Orogenic Belt. / Wu, Yih Min; Chen, Sean Kuanhsiang; Huang, Ting Chung et al.

In: Geophysical Research Letters, Vol. 45, No. 4, 28.02.2018, p. 1832-1837.

Research output: Contribution to journal › Article › peer-review

Harvard

Wu, YM, Chen, SK, Huang, TC, Huang, HH, Chao, WA & Koulakov, I 2018, 'Relationship Between Earthquake b-Values and Crustal Stresses in a Young Orogenic Belt', Geophysical Research Letters, vol. 45, no. 4, pp. 1832-1837. https://doi.org/10.1002/2017GL076694

APA

Wu, Y. M., Chen, S. K., Huang, T. C., Huang, H. H., Chao, W. A., & Koulakov, I. (2018). Relationship Between Earthquake b-Values and Crustal Stresses in a Young Orogenic Belt. Geophysical Research Letters, 45(4), 1832-1837. https://doi.org/10.1002/2017GL076694

Vancouver

Wu YM, Chen SK, Huang TC, Huang HH, Chao WA, Koulakov I. Relationship Between Earthquake b-Values and Crustal Stresses in a Young Orogenic Belt. Geophysical Research Letters. 2018 Feb 28;45(4):1832-1837. doi: 10.1002/2017GL076694

Author

Wu, Yih Min ; Chen, Sean Kuanhsiang ; Huang, Ting Chung et al. / Relationship Between Earthquake b-Values and Crustal Stresses in a Young Orogenic Belt. In: Geophysical Research Letters. 2018 ; Vol. 45, No. 4. pp. 1832-1837.

BibTeX

@article{7a1c9642bef145c386e80372977740d9,
title = "Relationship Between Earthquake b-Values and Crustal Stresses in a Young Orogenic Belt",
abstract = "It has been reported that earthquake b-values decrease linearly with the differential stresses in the continental crust and subduction zones. Here we report a regression-derived relation between earthquake b-values and crustal stresses using the Anderson fault parameter (Aϕ) in a young orogenic belt of Taiwan. This regression relation is well established by using a large and complete earthquake catalog for Taiwan. The data set consists of b-values and Aϕ values derived from relocated earthquakes and focal mechanisms, respectively. Our results show that b-values decrease linearly with the Aϕ values at crustal depths with a high correlation coefficient of -0.9. Thus, b-values could be used as stress indicators for orogenic belts. However, the state of stress is relatively well correlated with the surface geological setting with respect to earthquake b-values in Taiwan. Temporal variations in the b-value could constitute one of the main reasons for the spatial heterogeneity of b-values. We therefore suggest that b-values could be highly sensitive to temporal stress variations.",
keywords = "b-values, Crustal stress, Earthquake, Orogenic belt, crustal stress, earthquake, orogenic belt, SEISMICITY, TAIWAN, FIELD, DEFORMATION, ARC, JAPAN",
author = "Wu, {Yih Min} and Chen, {Sean Kuanhsiang} and Huang, {Ting Chung} and Huang, {Hsin Hua} and Chao, {Wei An} and Ivan Koulakov",
year = "2018",
month = feb,
day = "28",
doi = "10.1002/2017GL076694",
language = "English",
volume = "45",
pages = "1832--1837",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "Wiley-Blackwell",
number = "4",

}

RIS

TY - JOUR

T1 - Relationship Between Earthquake b-Values and Crustal Stresses in a Young Orogenic Belt

AU - Wu, Yih Min

AU - Chen, Sean Kuanhsiang

AU - Huang, Ting Chung

AU - Huang, Hsin Hua

AU - Chao, Wei An

AU - Koulakov, Ivan

PY - 2018/2/28

Y1 - 2018/2/28

N2 - It has been reported that earthquake b-values decrease linearly with the differential stresses in the continental crust and subduction zones. Here we report a regression-derived relation between earthquake b-values and crustal stresses using the Anderson fault parameter (Aϕ) in a young orogenic belt of Taiwan. This regression relation is well established by using a large and complete earthquake catalog for Taiwan. The data set consists of b-values and Aϕ values derived from relocated earthquakes and focal mechanisms, respectively. Our results show that b-values decrease linearly with the Aϕ values at crustal depths with a high correlation coefficient of -0.9. Thus, b-values could be used as stress indicators for orogenic belts. However, the state of stress is relatively well correlated with the surface geological setting with respect to earthquake b-values in Taiwan. Temporal variations in the b-value could constitute one of the main reasons for the spatial heterogeneity of b-values. We therefore suggest that b-values could be highly sensitive to temporal stress variations.

AB - It has been reported that earthquake b-values decrease linearly with the differential stresses in the continental crust and subduction zones. Here we report a regression-derived relation between earthquake b-values and crustal stresses using the Anderson fault parameter (Aϕ) in a young orogenic belt of Taiwan. This regression relation is well established by using a large and complete earthquake catalog for Taiwan. The data set consists of b-values and Aϕ values derived from relocated earthquakes and focal mechanisms, respectively. Our results show that b-values decrease linearly with the Aϕ values at crustal depths with a high correlation coefficient of -0.9. Thus, b-values could be used as stress indicators for orogenic belts. However, the state of stress is relatively well correlated with the surface geological setting with respect to earthquake b-values in Taiwan. Temporal variations in the b-value could constitute one of the main reasons for the spatial heterogeneity of b-values. We therefore suggest that b-values could be highly sensitive to temporal stress variations.

KW - b-values

KW - Crustal stress

KW - Earthquake

KW - Orogenic belt

KW - crustal stress

KW - earthquake

KW - orogenic belt

KW - SEISMICITY

KW - TAIWAN

KW - FIELD

KW - DEFORMATION

KW - ARC

KW - JAPAN

UR - http://www.scopus.com/inward/record.url?scp=85042448164&partnerID=8YFLogxK

U2 - 10.1002/2017GL076694

DO - 10.1002/2017GL076694

M3 - Article

AN - SCOPUS:85042448164

VL - 45

SP - 1832

EP - 1837

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 4

ER -

ID: 10421217